SAE: an R package for early stopping rules in clinical trials      
Safety and efficacy of doxazosin in benign prostatic hyperplasia: a pooled analysis of three double-blind, placebo-controlled studies      
Safety evaluation and confidence intervals when the number of observed events is small or zero.      
Safety of influenza vaccines in children.      
Safety outcomes in meta-analyses of phase 2 vs phase 3 randomized trials: Intracranial hemorrhage in trials of bolus thrombolytic therapy.      
Safety reporting in randomized clinical trials - a need for improvement      
Safety reporting in randomized trials of mental health interventions      
Safety reporting in stroke rehabilitation trials [abstract]      
SAFTEE: a technique for the systematic assessment of side effects in clinical trials      
Salami publication [letter; comment]      
Same information, different decisions: format counts. Format as well as content matters in clinical information      
Same information, different decisions: the influence of evidence on the management of hypertension in the elderly      
Sample composition bias and response bias in a mail survey: a comparison of inducement methods.      
Sample size and power estimation for studies with health related quality of life outcomes: a comparison of four methods using the SF-36.      
Sample size and power for comparing two or more treatment groups in clinical trials [published erratum appears in BMJ 1989 Oct 21;299(6706):1018]      
Sample size and statistical power of randomised, controlled trials in orthopaedics      
Sample size calculation for clinical trials: the impact of clinician beliefs.      
Sample size calculations for cluster randomised trials. Changing Professional Practice in Europe Group (EU BIOMED II Concerted Action)      
Sample size calculations for intervention trials in primary care randomizing by primary care group: an empirical illustration from one proposed intervention trial      
Sample size calculations in acute stroke trials: a systematic review of their reporting, characteristics, and relationship with outcome.      
Sample size calculations in randomised trials: mandatory and mystical.      
Sample size calculations in studies of test accuracy      
Sample size calculations in surgery: are they done correctly?      
Sample size considerations for the evaluation of prognostic factors in survival analysis.      
Sample size determination for bibliographic retrieval studies.      
Sample size estimation for the sorcerer's apprentice. Guide for the uninitiated and intimidated      
Sample size for cluster randomized trials: effect of coefficient of variation of cluster size and analysis method      
Sample size in studies on diagnostic accuracy in ophthalmology: a literature survey.      
Sample size of randomized double-blind trials 1976-1991      
Sample size re-estimation in a breast cancer trial      
Sample size requirements for stratified cluster randomization designs [published erratum appears in Stat Med 1997 Dec 30;16(24):2927-8]      
Sample size slippages in randomised trials: exclusions and the lost and wayward.      
Sample sizes and withdrawals in clinical trials      
Sample sizes for cancer trials where health related quality of life is the primary outcome.      
Sample sizes for prevention trials have been too small.      
Sample sizes for studies using the short form 36 (SF-36).      
Sample sizes of studies on diagnostic accuracy: literature survey.      
Sampling and ethical issues in a multicenter study on health of people with intellectual disabilities      
Sampling bias in an international internet survey of diversion programs in the criminal justice system      
Sampling the universe for the bypass angioplasty revascularization investigation [abstract]      
A SAS macro for statistical power calculations in meta-analysis      
SAS programs for meta-analysis      
Satisfaction of patients hospitalised in psychiatric hospitals: a randomised comparison of two psychiatric-specific and one generic satisfaction questionnaires.      
Satisfaction of the uncertainty principle in cancer clinical trials: retrospective cohort analysis.      
Satisfaction with the decision to participate in cancer clinical trials (CCT) is high, but understanding is a problem [abstract]      
Satisfaction with the process of providing informed consent to cancer clinical trials [abstract]      
A scale for distinguishing efficacy from effectiveness was adapted and applied to stroke rehabilitation studies      
A scale for rating the quality of psychological trials for pain.      
A scale of methodological quality for clinical studies of radiologic examinations      
Scales to assess the quality of acupuncture clinical trials: a systematic review. Oral presentation at the Joint Cochrane and Campbell Colloquium; 2010 Oct 18-22; Keystone, Colorado, USA [abstract]      
Scales to assess the quality of randomized controlled trials: a systematic review.      
Scaling the Tower of Babel; the impact of including foreign language articles in a large-scale systematic review. Poster presentation at the Joint Cochrane and Campbell Colloquium; 2010 Oct 18-22; Keystone, Colorado, USA [abstract]      
[Scandinavian articles and journals in the Science Citation Index. Farewell to Scandinavianism]      
[Scarcity of spanish medical information in four Spanish journals (author's transl)]      
"The scarlet E": the presentation of epilepsy in the English language print media      
Schizophrenia: do we really need placebo-controlled studies?      
Schizophrenia research participants' responses to protocol safeguards: recruitment, consent, and debriefing.      
Schizophrenia trials in China: a survey.      
School based HIV prevention in Zimbabwe: feasibility and acceptability of evaluation trials using biological outcomes      
School status, journal impact factor and abstract quality: pilot study on scientific discourse [abstract]      
Science and ethics in conducting, analyzing, and reporting psychological research      
Science journal editors' views on publication ethics: results of an international survey      
Science mapping analysis characterizes 235 biases in biomedical research      
The science of reviewing research      
The science of systematic reviewing studies of diagnostic tests. [Review]      
Scientific abstracts at the Society for Adolescent Medicine meetings: a 3-decade comparison.      
[Scientific activities in departments of clinical physiology/nuclear medicine in Denmark during the period 1989-1994. A bibliometric analysis of the "impact" and citation frequency]      
[Scientific activity of the most productive Spanish research teams in pharmacology and pharmacy during the period 1986-1993 as covered by the Science Citation Index (SCI)]      
Scientific and logistical challenges in designing the CONTROL trial: recombinant factor VIIa in severe trauma patients with refractory bleeding      
[Scientific and technical publications of the Institute of Medical Research and Occupational Health 1988-1993].      
[Scientific articles in Ugeskrift for Laeger during a 25-year period. Types of articles and experimental design]      
Scientific basis and content of drug HTA reports in eight European countries [abstract]      
The scientific basis for eliminating folic acid-preventable spina bifida: a modern miracle from epidemiology      
The scientific basis for law as a public health tool      
Scientific biomedical journals in Croatia.      
Scientific challenges in the application of randomized trials      
Scientific communications. History, electronic journals and impact factors.      
Scientific drug information in newspapers: sensationalism and low quality. The example of therapeutic use of cannabinoids.      
Scientific evidence and practice: bridging the gap. A European Monitoring Center for Drugs and Drug Addiction (EMCDDA) project to promote Best Practice in Drug Addicition. Oral presentation at the 19th Cochrane Colloquium; 2011 Oct 19-22; Madrid, Spain [abstract]      
Scientific guidelines for conducting integrative research reviews      
The scientific impact of nations.[erratum appears in Nature. 2004 Nov 4;432(7013):8]      
Scientific journals and their authors' financial interests: a pilot study      
[Scientific knowledge and action in Public Health: The role of research in the creation of a health program]      
The scientific literature in diagnostic radiology for American readers: a survey and analysis of journals, papers, and authors      
Scientific meeting abstracts: significance, access, and trends      
[Scientific-metric analysis of structure and age of references in the Soviet and foreign journals on neuropathology, neurosurgery and psychiatry]      
Scientific papers presented at the 2000-2001 European Society of Gastrointestinal and Abdominal Radiology (ESGAR) meetings: publication rates during the period 2000-2004      
Scientific papers published by Pediatria Catalana during the period 1928-1997.      
Scientific production of electronic health record research, 1991-2005 [abstract]      
Scientific productivity in European physical medicine and rehabilitation (PMR).      
[Scientific publications from 10 Central European countries in the leading foreign periodicals]      
Scientific publications from departments of clinical physiology and nuclear medicine in Denmark. A bibliometric analysis of "impact' in the years 1989-1994      
Scientific publications in endoscopic ultrasonography: a 20-year global survey of the literature. [Review]      
Scientific publications in English and developing countries: A report of a survey of scientists' experiences      
Scientific publications in gastroenterology and hepatology in Western Europe, USA and Japan in the years 1992-1996: a global survey      
Scientific publications of a medical school faculty      
The scientific publications of Bologna Veterinary Faculty in some CD-ROM products [abstract]      
[Scientific publications performed by angiology and vascular surgery services in Spain from 1989 to 1993 and from 1994 to 1998]. [Spanish]      
[Scientific publishing in the journal Nuclear Medicine]. [Review] [German]      
Scientific quality of clinical research. An analysis of 40 research projects in pharmacology/pharmacotherapy      
Scientific quality of original research articles on environmental tobacco smoke      
Scientific research on the pineal gland and melatonin: a bibliometric study for the period 1966-1994      
[The scientific value of society reports in the Nederlands Tijdschrift voor Geneeskunde]. [Dutch]      
Scientometric analysis of anthropology in the Republic of Croatia for the period of 1980-1996      
A scientometric assessment of the information loss caused by the delays in publication of Chinese science journals      
Scientometric evaluation of the projects in biology funded by the Ministry of Science and Technology, Republic of Croatia, in the 1991-1996 period      
Scientometric highlights on science and technology related review articles affiliated to India      
[A scientometric view of some biological disciplines in Chile]      
Scope and geographical distribution of African medical journals active in 2005      
Scope and impact of financial conflicts of interest in biomedical research: a systematic review      
Scope for improvement in the quality of reporting of systematic reviews. From the Cochrane Musculoskeletal Group.      
A score system for evaluating random control clinical trials of prophylaxis of abdominal surgical wound infection.      
Scoring the quality of diagnostic accuracy studies: an example using QUADAS [abstract]      
Scratch lottery tickets are a poor incentive to respond to mailed questionnaires.      
Screen2Go: a pilot smartphone app for citation screening. Oral presentation at the 19th Cochrane Colloquium; 2011 Oct 19-22; Madrid, Spain [abstract]      
Screening and referral of alcoholic patients in a general hospital. A clinical trial.      
Screening and the utility of textual analysis software: a retrospective study of RefVizTM [abstract]      
Screening and treatment for depression during pregnancy: a cautionary note.      
Screening experiments and the use of fractional factorial designs in behavioral intervention research      
Screening Internet websites for educational potential in undergraduate medical education      
Screening investigator financial conflict of interest: a checklist for authors, editors and readers [abstract]      
Screening optometric patients by questionnaire: methods of improving response.      
Screening parameters for reviewer selection [abstract]      
A search engine on HTA websites [abstract]      
Search engines and healthy connections for consumers: a prescription for success [abstract]      
The search for level I evidence in solid-tumor oncology.      
The search for more clinically meaningful research designs: single-patient randomized clinical trials.      
A search for recall bias in a case-control study of diet and breast cancer      
The search is on for men's health - quality of information about androgen deficiency on the Internet [abstract]      
[Search method for adverse effects of healthcare interventions in bibliography databases]      
Search reporting: current practice and recommendations from 11 scales [abstract]      
Search strategies for identifying qualitative studies in CINAHL.      
[Search strategies for retrieval of articles in Spanish journals. A case study: evaluation of the quality of information systems]. [Spanish]      
Search strategies for retrieving complementary and alternative medicine clinical trials in oncology      
Search strategies to identify information on adverse effects: a systematic review      
Search strategies to identify randomised trials in MEDLINE: a methodology review [abstract]      
Search strategies to identify randomized trials in MEDLINE: a systematic review.      
Search strategies to identify reports of randomized trials in MEDLINE      
Search strategies to retrieve studies related to low- and middle-income countries (LMICs). Poster presentation at the Joint Cochrane and Campbell Colloquium; 2010 Oct 18-22; Keystone, Colorado, USA [abstract]      
A search strategy for occupational health intervention studies.      
A search strategy for prognostic reviews and for reviews on diagnostic and prognostic prediction models. Oral presentation at the Joint Cochrane and Campbell Colloquium; 2010 Oct 18-22; Keystone, Colorado, USA [abstract]      
A search tool based on 'encapsulated' MeSH thesaurus to retrieve quality health resources on the internet      
Search wide and dig deep: identifying 'views' research for systematic reviews. Oral presentation at the Joint Cochrane and Campbell Colloquium; 2010 Oct 18-22; Keystone, Colorado, USA [abstract]      
Searches for evidence mapping: effective, shorter, cheaper      
Searches to Duodecim EBM guidelines (EBMG): do physicians' questions and Cochrane evidence meet? [abstract]      
Searching a biomedical bibliographic database from Bulgaria: the ABS database.      
Searching a biomedical bibliographic database from Hungary - the 'Magyar Orvosi Bibliografia'.      
Searching a biomedical bibliographic database from the Ukraine: the Panteleimon database.      
Searching bibliographic databases: costs and benefits [abstract]      
Searching bibliographic databases for literature on chronic disease and work participation      
Searching biomedical databases on complementary medicine: the use of controlled vocabulary among authors, indexers and investigators.      
Searching chiropractic literature: a comparison of three computerized databases [see comments]      
Searching electronically for diverse types of evidence in systematic reviews of health promotion: maximising comprehensiveness, an interim bibliometric study      
Searching EMBASE: do the results justify the cost?      
Searching EMBASE: do the results justify the cost? [letter]      
Searching far and wide for occupational prevention literature: where do we go to find relevant studies? Poster presentation at the 19th Cochrane Colloquium; 2011 Oct 19-22; Madrid, Spain [abstract]      
Searching fee and non-fee toxicology information resources: an overview of selected databases.      
Searching for adverse effects in MEDLINE and EMBASE requires a combined approach for efficient retrieval. A review of: Golder, Su, Heather M. McIntosh, Steve Duffy, and Julie Glanville. "Developing efficient search strategies to identify reports of adverse effects in MEDLINE and EMBASE". Health Information & Libraries Journal 23.1 (Mar 2006):3-12.      
Searching for and including non-randomised trials in Cochrane reviews: is it worth the effort? Poster presentation at the Joint Cochrane and Campbell Colloquium; 2010 Oct 18-22; Keystone, Colorado, USA [abstract]      
Searching for and use of conference abstracts in health technology assessments: policy and practice.      
Searching for biomedical information on the World Wide Web      
Searching for CAM evidence: an evaluation of therapy-specific search strategies.      
Searching for cancer-related information online: unintended retrieval of complementary and alternative medicine information      
Searching for Chinese history journals online      
Searching for clinical prediction rules in MEDLINE.      
Searching for controlled trials of complementary and alternative medicine: a comparison of 15 databases      
Searching for diagnostic test accuracy studies: an application to screening for open angle glaucoma (OAG) [abstract]      
Searching for diagnostic text evaluations: The importance of specialist journals and databases      
Searching for effectiveness of public health interventions - a case study for cardiovascular disease (CVD) [abstract]      
Searching for evidence in public health research: which source is most effective! [abstract]      
Searching for high-quality evidence to prepare patient information      
Searching for information from unreported trials--amnesty for the past and prospective meta-analyses for the future      
Searching for information on outcomes: do you need to be comprehensive?      
Searching for intervention studies in gastroenterology: surprisingly low incremental benefit of Embase [abstract]      
Searching for observational studies: what does citation tracking add to PubMed? A case study in depression and coronary heart disease.      
Searching for randomised controlled trials and clinical controlled trials in Thai online bibliographical biomedical databases      
Searching for rehabilitation articles on MEDLINE and EMBASE An example with cross-over design      
Searching for reliable research evidence need not be difficult.      
Searching for studies of the outcomes of education: a bibliometric study [abstract]      
Searching for systematic reviews in MEDLINE: developing more objective search strategies [abstract]      
Searching for systematic reviews of adverse effects [abstract]      
Searching for systematic reviews of the effects of social and environmental interventions: a case study of children and obesity      
Searching for the best evidence. Part 2: searching CINAHL and Medline      
Searching for the evidence in pre-hospital care: a review of randomised controlled trials. On behalf of the Ambulance Response Time Sub-Group of the National Ambulance Advisory Committee      
Searching for the evidence: source, time and yield [abstract]      
Searching for trials - bridging the gaps [abstract]      
Searching for unpublished trials in Cochrane reviews may not be worth the effort      
Searching LILACS database improves systematic reviews [abstract]      
Searching LILACS database is irrelevant in systematic reviews in oncology. Poster presentation at the 16th Cochrane Colloquium: Evidence in the era of globalisation; 2008 Oct 3-7; Freiburg, Germany [abstract]      
Searching literature databases for health care economic evaluations: how systematic can we afford to be?      
Searching MEDLINE for randomised trials      
Searching MEDLINE for randomized clinical trials involving care of the newborn      
Searching MEDLINE for the best evidence: which MeSH terms related to study design and research support appear most often on MEDLINE citations for high quality articles? [abstract]      
Searching MEDLINE: publication type as prima facie evidence of study design [abstract]      
Searching meeting abstracts: a comparison between an experienced handsearcher and an indexed, electronic database [abstract]      
Searching multiple databases for systematic reviews: added value or diminishing returns?      
Searching on LILACS database improves systematic reviews of skin diseases [abstract]      
Searching one or two databases was insufficient for meta-analysis of observational studies.      
Searching online and Web-based resources for information on natural products used as drugs      
Searching PubMed to examine the effectiveness of retrieving relevant information about electronic healthcare/health care [abstract]      
Searching Spanish recommendations for clinical practice in health bibliographic databases.      
Searching the Chinese literature for public health interventions: Can it add value to a systematic review? Poster presentation at the 19th Cochrane Colloquium; 2011 Oct 19-22; Madrid, Spain [abstract]      
Searching the evidence: the clinically-effective nutritionist.      
Searching the Internet for information on prostate cancer screening: an assessment of quality      
Searching the LILACS database could improve systematic reviews in dermatology      
Searching the LILACS database for Portuguese- and Spanish-language randomized trials in physiotherapy was difficult.      
Searching the Literatura Latino Americana e do Caribe em Ciencias da Saude (LILACS) database improves systematic reviews      
Searching the literature. Be systematic in your searching      
Searching the literature for information on traumatic spinal cord injury: the usefulness of abstracts      
Searching the MEDLARS file on NLM and BRS - a comparative study      
Searching the Polish Medical Bibliography (Polska Bibliografia Lekarska) for trials.      
Searching the right database. A comparison of four databases for psychiatry journals      
Second-order interactions with the treatment groups in controlled clinical trials [abstract]      
Second-order peer review of the medical literature for clinical practitioners.      
Second thoughts. Meta-analysis in medical research: strong encouragement for higher quality in individual research efforts      
Secondary analysis of economic data: a review of cost-benefit studies of neonatal screening for phenylketonuria      
Secondary analysis of economic evaluations: a case study using neonatal screening for PKU [abstract]      
Secondary analysis of qualitative data      
Secondary analysis of qualitative data      
Secondary endpoints can be validly analyzed, even if the primary endpoint does not provide clear statistical significance      
Secondary endpoints cannot be validly analyzed if the primary endpoint does not demonstrate clear statistical significance      
Secular changes in published clinical trials of second-line agents in rheumatoid arthritis      
Secular changes in the quality of published randomized clinical trials in rheumatology      
Secular trends in response rates for controls selected by random digit dialing in childhood cancer studies: a report from the Children's Oncology Group      
Securing recruitment and obtaining informed consent in minority ethnic groups in the UK.      
The "seeded" focus group: a strategy to recruit HIV+ community members into treatment research      
Seeing through the smoke: is the use of placebo still ethical in trials examining smoking cessation pharmacotherapies? [abstract]      
Seek and ye shall find: methods for obtaining unpublished data. Oral presentation at the 17th Cochrane Colloquium; 2009 Oct 11-14, Singapore [abstract]      
Seeking evidence from medical research consumers as part of the medical research process could improve the uptake of research evidence.      
Seeking health information online: does Wikipedia matter?      
Seeking information: where do pregnant women go?      
Seeking informed consent to cancer clinical trials: describing current practice      
Seeking informed consent to cancer clinical trials: evaluating the efficacy of doctor communication skills training.      
Selected questionnaire size and color combinations were significantly related to mailed survey response rates.      
Selecting a database for literature searches in nursing: MEDLINE or CINAHL?      
Selecting a mental health needs assessment scale: guidance on the critical appraisal of standardized measures.      
Selecting an appropriate placebo for a trial of spinal manipulative therapy.      
Selecting and appraising studies for a systematic review      
Selecting at-risk populations for sexually transmitted disease/HIV intervention studies.      
Selecting CD-ROM databases for nursing students: a comparison of MEDLINE and the Cumulative Index to Nursing and Allied Health Literature (CINAHL)      
Selecting cost-effective survey methods: foot-in-door and prepaid monetary incentives.      
Selecting patients for randomized trials: a systematic approach based on risk group.      
Selecting quality sources: bridging the gap between the perception and use of information sources      
Selecting the language of the publications included in a meta-analysis: is there a tower of Babel bias?      
Selection and description of cancer clinical trials participants--science or happenstance?      
Selection and evaluation of empirical research in technology assessment      
Selection and institutional bias in a surgical trial - do they impair the results of the insect trial? [abstract]      
Selection bias and confounding in case-crossover analyses of environmental time-series data      
Selection bias and its implications for case-control studies: a case study of magnetic field exposure and childhood leukaemia      
Selection bias and nonresponse to health promotion in older adults      
Selection bias and treatment heterogeneity in clinical trials      
Selection bias due to differential participation in a case-control study of mobile phone use and brain tumors.      
Selection bias found in interpreting analyses with missing data for the prehospital index for trauma.      
Selection bias in a case-control study of parental infertility and hepatoblastoma: a report from the Children's Oncology Group (COG) [abstract]      
Selection bias in clinical trials.      
Selection bias in enrollment to a programme aimed at the secondary prevention of ischaemic heart disease in general practice: a cohort study.      
Selection bias in health inequalities research [abstract]      
Selection bias in observational and experimental studies      
Selection bias: neighbourhood controls and controls selected from those presenting to a Health Unit in a case control study of efficacy of BCG revaccination.      
Selection bias resulting from the requirement for prior consent in observational research: a community cohort of people with ischaemic heart disease.      
Selection factors for the use of thrombolytic treatment in acute myocardial infarction: a population based study of current practice in the United Kingdom. The European Secondary Prevention Study Group      
Selection factors in clinical trials: results from the Community Clinical Oncology Program Physician's Patient Log      
Selection in reported epidemiological risks [abstract]      
Selection models and the file drawer problem      
Selection of abstract for an otolaryngology meeting: correlation of blinding with subsequent publication [abstract]      
The selection of cases for randomised trials: a registry survey of concurrent trial and non-trial patients. The British Stomach Cancer Group.      
Selection of control groups by using a commercial database and random digit dialing      
Selection of controls in clinical trials: introduction and conference summary.      
The selection of high-impact health informatics literature: a comparison of results between the content expert and the expert searcher      
Selection of journals for Index Medicus: a historical review      
Selection of MEDLINE contents, the development of its thesaurus, and the indexing process      
Selection of patients for psoriasis clinical trials: A survey of the recent dermatological literature      
Selection of patients for randomised trials: a study based on the MACOP-B vs CHOP in NHL study      
Selection of patients for randomized controlled trials: implications of wide or narrow eligibility criteria      
Selection of technologies for assessment by a consortium of U.S. academic health centres [abstract]      
Selective exclusion of treatment arms in multi-arm randomized clinical trials.      
Selective exposure reporting and Medline indexing limited the search sensitivity for observational studies of the adverse effects of oral contraceptives.      
Selective publication of antidepressant trials and its influence on apparent efficacy      
Selective reporting biases in cancer prognostic factor studies.      
Selective reporting in clinical trials: analysis of trial protocols accepted by The Lancet.      
Selective reporting of adjusted estimates in observational epidemiology studies: reasons and implications for meta-analyses      
Selective reporting of outcomes of drug trials? Comparison of study protocols and published articles [abstract]      
[Selective reporting of positive outcomes in randomised trials - secondary publication. A comparison of protocols with published reports]      
Selective reporting of results in government-funded randomised trials [abstract]      
Selective reporting of the primary outcomes of clinical trials: a follow-up study [abstract]      
Selective reporting, publication bias and clinical trial registry: an industry perspective.      
Selective serotonin reuptake inhibitors in childhood depression: systematic review of published versus unpublished data.      
Self-citation of articles about diabetes [abstract]      
Self citations and impact factors in otolaryngology journals      
Self-citations in six anaesthesia journals and their significance in determining the impact factor      
Self-monitoring of glucose in type 2 diabetes mellitus: a Bayesian meta-analysis of direct and indirect comparisons.      
A self-perception interpretation of the effect of monetary and non-monetary incentives on mail survey respondent behaviour.      
Self-perpetuating development of encoding biases in person perception      
Self-report as an indicator of incident disease      
Self-report versus medical record data in a study of infant leukemia: a report from the Children's Oncology Group [abstract]      
Self-report versus medical records for monitoring cardiovascular conditions in patients with hypercholesterolemia [abstract]      
Self-reported adherence to antiretroviral medications among participants in HIV clinical trials: the AACTG adherence instruments.      
Self-reported and pedometer measured physical activity of Canadian children [abstract]      
Self-reported quality of life of individual cancer patients: concordance of results with disease course and medical records.[erratum appears in J Clin Oncol 2001 Oct 15;19(20):4091]      
Self-reported vs administrative race/ethnicity data and study results      
Self-reporting versus parental reporting of acute respiratory symptoms of children and their relation to pulmonary function and air pollution      
Self-reports of HIV risk factors by patients at a sexually transmitted disease clinic: audio vs written questionnaires.      
Self-reports of induced abortion: an empathetic setting can improve the quality of data      
Semantic annotation for concept-based cross-language medical information retrieval.      
Semantic Web: Who is who in the field - a bibliometric analysis      
Semi-automated screening of biomedical citations for systematic reviews      
Semi-automating the manual literature search for systematic reviews increases efficiency      
Seminars may increase recruitment to randomised controlled trials: lessons learned from WISDOM.      
Seniors as researchers in the study of aging: learning and doing      
Sense of the college: should observational studies be registered?      
Sensible approaches for reducing clinical trial costs      
Sensitive Clinical Queries retrieved relevant systematic reviews as well as primary studies: an analytic survey      
A sensitive MEDLINE search strategy to retrieve studies of diagnostic imaging test performance [abstract]      
Sensitivity analyses allowed more appropriate and reliable meta-analysis conclusions for multiple outcomes when missing data was present      
A sensitivity analysis for publication bias in systematic reviews      
A sensitivity analysis for subverting randomization in controlled trials      
Sensitivity analysis in economic evaluation: a review of published studies      
Sensitivity analysis in economic evaluation: an audit of NICE current practice and a review of its use and value in decision-making      
Sensitivity analysis in health economic and pharmacoeconomic studies. An appraisal of the literature.      
A sensitivity analysis of a randomized controlled trial of zinc in treatment of falciparum malaria in children.      
The sensitivity and precision of adverse effects search filters in MEDLINE, EMBASE and Science Citation Index (SCI). Poster presentation at the 19th Cochrane Colloquium; 2011 Oct 19-22; Madrid, Spain [abstract]      
The sensitivity and precision of search terms in Phases I, II and III of the Cochrane Highly Sensitive Search Strategy for identifying reports of randomized trials in MEDLINE in a specific area of health care -HIV/AIDS prevention and treatment interventions.      
Sensitivity and precision of terms in Phases I, II and III of the Cochrane Highly Sensitive Search Strategy (HSSS) for identifying reports of randomized trials in Africa in HIV/AIDS in MEDLINE [abstract]      
Sensitivity and specificity do vary with disease prevalence: implications for systematic reviews of diagnostic test accuracy [abstract]      
Sensitivity and specificity of clinical trials. Randomized v historical controls      
Sensitivity and specificity rarely vary with prevalence. Poster presentation at the Joint Cochrane and Campbell Colloquium; 2010 Oct 18-22; Keystone, Colorado, USA [abstract]      
The sensitivity and yield of hand and MEDLINE searching for controlled trials in US general medical journals [abstract]      
Sensitivity of between-study heterogeneity in meta-analysis: proposed metrics and empirical evaluation.      
Sensitivity of between-study heterogeneity in meta-analysis: proposed metrics and empirical evaluation. Poster presentation at the 16th Cochrane Colloquium: Evidence in the era of globalisation; 2008 Oct 3-7; Freiburg, Germany [abstract]      
Sensitivity of effect variables in rheumatoid arthritis: a meta-analysis of 130 placebo controlled NSAID trials      
The sensitivity of review results to methods used to appraise and incorporate trial quality into data synthesis.      
Sentence retrieval for abstracts of randomized controlled trials      
Sentinel physician networks as a technique for rapid immunization policy surveys      
Separate but equal? A system comparison study of MEDLINE's controlled vocabulary MeSH      
Sequence-based trust in collaborative filtering for document recommendation      
Sequential balancing: a simple method for treatment allocation in clinical trials.      
Sequential design with boundaries approach in pediatric intervention research reduces sample size      
Sequential log rank tests adjusting for covariates with the accelerated life model      
Sequential meta-analysis: an efficient decision-making tool      
Sequential meta-analysis of past clinical trials to determine the use of a new trial.      
Sequential monitoring of clinical trials with multiple survival endpoints      
Sequential treatment allocation procedures in clinical trials--with particular attention to the analysis of results for the biased coin design      
Sequentially adjusted randomization to force balance in controlled trials with unknown prevalence of covariates: application to alcoholism research.      
Sequestered evidence and the distortion of clinical practice guidelines      
A series of randomized trials comparing different ways of presenting health evidence on the Internet.      
Serum cholesterol changes: effects of diet and regression toward the mean      
Service user involvement in nursing, midwifery and health visiting research: a review of evidence and practice      
Service user involvement in the NHS HTA programme [abstract]      
Setting a national research agenda in nursing informatics.      
Setting priorities for comparative effectiveness research: a case study using primary open-angle glaucoma      
Setting priorities for comparative effectiveness research on the management of primary angle closure (PAC): a survey of Asia-Pacific clinicians. Poster presentation at the 19th Cochrane Colloquium; 2011 Oct 19-22; Madrid, Spain [abstract]      
Setting priorities for HTA research in The Netherlands: professionals and policymakers, do they agree?      
Setting priorities for nursing research.      
Setting priorities for research and development in the NHS: a case study on the interface between primary and secondary care.      
Setting priorities in clinical and health services research: properties of an adapted and updated method      
"Setting standards for qualitative research: the development of markers" in "Inequalities in health and health promotion: insights from the qualitative research literature"      
Setting the bar in phase II trials: the use of historical data for determining "go/no go" decision for definitive phase III testing.      
Setting up non-commercial clinical trials takes too long in the UK: findings from a prospective study.      
Seven items were identified for inclusion when reporting a Bayesian analysis of a clinical study.      
Seven reasons why health professionals search clinical information-retrieval technology (CIRT): toward an organizational model      
Seventy-five trials and eleven systematic reviews a day: how will we ever keep up?      
Severe sepsis: how many guidelines have been including Cochrane systematic reviews? Poster presentation at the 16th Cochrane Colloquium: Evidence in the era of globalisation; 2008 Oct 3-7; Freiburg, Germany [abstract]      
Sex- and gender-based analyses in Cochrane Reviews: methods and lessons learned. Poster presentation at the 19th Cochrane Colloquium; 2011 Oct 19-22; Madrid, Spain [abstract]      
Sex and gender factors in medical studies: implications for health and clinical practice      
Sex and gender subgroup analyses of randomized trials.      
Sex differences in perceived risks, distrust, and willingness to participate in clinical trials: a randomized study of cardiovascular prevention trials.      
Sex differences in treatment of acute myocardial infarction. GISSI-3 Investigators. [abstract]      
Sex selection bias in schizophrenia antipsychotic trials.      
Sexual activity questionnaires in clinical trials: acceptability to patients with gynaecological disorders.      
Sexual double standards: a review and methodological critique of two decades of research. [Review]      
The SF-36 summary scales were valid, reliable, and equivalent in a Chinese population.      
The shadow uniform resource locator: standardizing citations of electronically published materials      
Sham device v inert pill: randomised controlled trial of two placebo treatments.      
Sham interventions in randomized clinical trials of acupuncture - a review.      
Sham procedure versus usual care as the control in clinical trials of devices: which is better?      
Sham versus no-treatment controls in ophthalmology clinical trials [abstract]      
Shaping perceptions to motivate healthy behavior: the role of message framing      
Sharing clinical trial results with adolescent idiopathic scoliosis patients      
Sharing Cochrane Consumer Synopses with university staff and students: experiences from Nigeria      
Sharing outcomes information with consumers: a new course for health librarians      
Sharing power: participatory public health research with California teens      
Shifting effects in three randomised controlled trials on music therapy in mental health. Poster presentation at the 19th Cochrane Colloquium; 2011 Oct 19-22; Madrid, Spain [abstract]      
A short communication course for physicians improves the quality of patient information in a clinical trial.      
The Short Form-12 Health Survey was a valid instrument in Chinese adolescents      
Short Form 36 (SF-36) Health Survey questionnaire: which normative data should be used? Comparisons between the norms provided by the Omnibus Survey in Britain, the Health Survey for England and the Oxford Healthy Life Survey      
The Short-Form Headache Impact Test (HIT-6) was psychometrically equivalent in nine languages.      
A short history of aspirin [abstract]      
A short history of randomized experiments in criminology. A meager feast.      
A short note on the history of the randomized controlled trial      
Short report: encouraging GPs to complete postal questionnaires--one big prize or many small prizes? A randomized controlled trial.      
Shortening a survey and using alternative forms of prenotification: impact on response rate and quality      
The shortfall in published research: a study of nurses' research and publication activities.      
Should adolescents (15-20 years) with acute lymphoblastic leukemia be treated as old children or young adults? Comparison of the French FRALLE-93 and LALA-94 trials [abstract]      
Should adolescents with acute lymphoblastic leukemia be treated as old children or young adults? Comparison of the French FRALLE-93 and LALA-94 trials      
Should an abstract report "authors' interpretations" or the factual evidence in a study? [letter]      
Should an abstract report "authors' interpretations" or the factual evidence in a study? The first author replies [letter]      
Should attribution be considered when interpreting adverse event data: a North Central Cancer Treatment Group (NCCTG) evaluation of a phase III placebo controlled trial [abstract]      
Should attribution be considered when interpreting adverse event data: an evaluation of phase III placebo controlled cancer clinical trials [abstract]      
Should case-control studies be included in systematic reviews of the effects of healthcare interventions?      
Should children decide whether they are enrolled in nonbeneficial research?      
Should Cochrane reviews that include full text reports of non-randomised evidence also include abstracts of such evidence? Poster presentation at the 16th Cochrane Colloquium: Evidence in the era of globalisation; 2008 Oct 3-7; Freiburg, Germany [abstract]      
Should data from case-controlled studies be included in systematic reviews alongside diagnostic cohort studies? [abstract]      
Should demographics be placed at the end or at the beginning of mailed questionnaires? An empirical answer to a persistent methodological question.      
Should diagnostic search filters be used in systematic reviews? [abstract]      
Should endometrial polyps be removed in patients with postmenopausal bleeding? - an assessment of study designs and report of a failed randomised controlled trial (ISRCTN73825127)      
Should epidemiologists always publish their results? Yes, almost always      
Should FDA, EMEA, HEALTH CANADA, CONSORT accept last-observation-carried forward analyses? A systematic review of dementia drug RCTs [abstract]      
Should intellectual property be disseminated by "forwarding" rejected letters without permission?      
Should journals publish systematic reviews that find no evidence to guide practice? Examples from injury research.      
Should meta-analyses of interventions include observational studies in addition to randomized controlled trials? A critical examination of underlying principles      
Should meta-analysis replace large randomized control trials?      
Should meta-analysts search Embase in addition to Medline?      
Should one start or continue a line of research? Stakeholders' interests and ethical frameworks give different answers.      
Should sensitivities derived from 2x1 tables be included in diagnostic systematic reviews: a review of systematic reviews [abstract]      
Should study subjects see their previous responses?      
Should study subjects see their previous responses: data from a randomized control trial      
Should systematic reviewers search for randomised controlled trials published as letters?      
Should systematic reviews include non-randomized and uncontrolled studies? The case of acupuncture for chronic headache      
Should systematic reviews include non-randomized trials? Quality and results of various study types investigating the effect or acupuncture on idiopathic headaches [abstract]      
Should systematic reviews include searches for published errata?      
Should systematic reviews of diagnostic tests go beyond test accuracy? Poster presentation at the 16th Cochrane Colloquium: Evidence in the era of globalisation; 2008 Oct 3-7; Freiburg, Germany [abstract]      
Should systematic reviews that include non-randomised evidence also include abstracts of such evidence? [abstract]      
Should there be early publication of ancillary studies prior to the first primary report of an unblinded randomized clinical trial?      
Should there be statistical guidelines for medical research papers?      
Should unpublished data be included in meta analyses? Current convictions and controversies      
Should we adjust for covariates in nonlinear regression analyses of randomized trials?      
Should we be performing more randomized controlled trials evaluating surgical operations?      
Should we consider Embase in Latin America?      
Should we continue to handsearch MEDLINE-indexed journals prospectively? Some up-to-date empirical evidence [abstract]      
Should we embrace new drugs with open arms? Experience from a community-based, open-arm, randomized clinical trial of combination antiretroviral therapy in advanced HIV disease.      
Should we exclude poorly reported qualitative studies from systematic reviews? An evaluation of three reviews of qualitative data. Oral presentation at the Joint Cochrane and Campbell Colloquium; 2010 Oct 18-22; Keystone, Colorado, USA [abstract]      
Should we update Cochrane reviews every two years? A methodological study [abstract]      
Should we use relative risks or odds ratios in cluster randomised trials with binary outcomes that have high proportions? [abstract]      
Should women at increased risk for breast and ovarian cancer be randomized to prophylactic surgery? An ethical and empirical assessment      
Side effects and the "blindability" of clinical drug trials.      
Sifting the evidence-what's wrong with significance tests?      
Sign on the dotted line: parental consent.      
Signal versus noise in the evidence base for medicine: an alternative to hierarchies of evidence?      
Significance alone is not enough      
Significance-chasing bias: conceptual framework and an exploratory test [abstract]      
The significance of crossovers after randomization in the STICH trial.      
[Significance of letters published in the Dutch Journal of Medicine, 1997/98]. [Dutch]      
[The significance of publication in Dutch medical journals using an external peer review system]      
Significant journals of science      
Silicon sycophants: the effects of computers that flatter      
A similarity-based method for retrieving documents from the SCI/SSCI database      
Simple advice improves question formulation for use in evidence appraisal: A randomised controlled trial [ISRCTN66375463]      
A simple analysis of a simple crossover trial with a dichotomous outcome measure      
A simple and valid tool distinguished efficacy from effectiveness studies.      
Simple approaches to assess the possible impact of missing outcome information on estimates of risk ratios, odds ratios, and risk differences      
Simple Bayesian analysis in clinical trials: a tutorial      
A simple confidence interval for meta-analysis.      
A simple, fast, easy method to identify the evidence base in pain-relief research: validation of a computer search strategy used alone to identify quality randomized controlled trials.      
A simple hint to improve Robinson and Dickersin's highly sensitive PubMed search strategy for controlled clinical trials.      
Simple imputation methods were inadequate for missing not at random (MNAR) quality of life data      
A simple method for calculating power based on a prior trial      
A simple method for comparing correlated ROC curves using incomplete data      
A simple method for converting an odds ratio to effect size for use in meta-analysis      
A simple method to correct for the design effect in systematic reviews of trials using paired dichotomous data.      
A simple method to evaluate the psychologistic fallacy in individual level epidemiologic studies: approximating evidence to policy      
Simple methods for checking for possible errors in reported odds ratios, relative risks and confidence intervals      
Simple pooling versus combining in meta-analysis      
Simple 'quick' searches to answer questions arising in clinical practice. Poster presentation at the 19th Cochrane Colloquium; 2011 Oct 19-22; Madrid, Spain [abstract]      
Simpler risk graphics can improve understanding of the incremental benefit of adjuvant chemotherapy [abstract]      
Simplified search strategies were effective in identifying clinical trials of pharmaceuticals and physical modalities.      
A simplified search strategy for identifying randomised controlled trials for systematic reviews of health care interventions: a comparison with more exhaustive strategies      
A simplified search strategy for identifying randomised controlled trials for systematic reviews of health care interventions: a comparison with more exhaustive strategies [abstract]      
Simplifying outcome measurement: evaluation of instruments for measuring outcome after fusion surgery for chronic low back pain.      
Simpson's paradox: an example from hospital epidemiology.      
Simpson's paradox and calculation of number needed to treat from meta-analysis      
Simpson's paradox in meta-analysis.      
Simpson's paradox visualized: the example of the Rosiglitazone meta-analysis.      
A simulated sequential analysis based on data from two MRC trials.      
A simulated study of historical controls using real data      
Simulation of the Syst-Eur randomized control trial using a primary care electronic medical record was feasible.      
A simulation study comparing properties of heterogeneity measures in meta-analyses.      
A simulation study of methods for imputing data from continuous outcomes: effects on results from primary studies and results from meta-analysis. Poster presentation at the 17th Cochrane Colloquium; 2009 Oct 11-14, Singapore [abstract]      
Simulation study of the inventory effect of the scientific paper publishing process      
A simulation using data from a primary care practice database closely replicated the Women's Health Initiative trial.      
A simultaneous comparison of multiple pharmacological treatments for bipolar disorder: an application of Bayesian statistical methods [abstract]      
Simultaneous comparison of multiple treatments: combining direct and indirect evidence. [Review]      
The Singaporean English and Chinese versions of the EQ-5D achieved measurement equivalence in cancer patients      
Single-authored publications in the sciences at Israeli universities.      
Single case studies in journals of clinical psychology or journals of psychotherapy.      
Single-center trials show larger treatment effects than multicenter trials: evidence from a meta-epidemiological study. Oral presentation at the 19th Cochrane Colloquium; 2011 Oct 19-22; Madrid, Spain [abstract]      
Single data extraction generated more errors than double data extraction in systematic reviews.      
A single mathematical model predicts physicians' recommendations and postmenopausal women's decisions to participate in a clinical trial to prevent breast cancer or coronary heart disease.      
Single momentary assessments are not reliable outcomes for clinical trials      
Single-patient drug trial methodology for allergic rhinitis.      
Single-subject research in rehabilitation: a review of studies using AB, withdrawal, multiple baseline, and alternating treatments designs      
Single vs. double data entry.      
Single vs. double data entry in CAST      
Six authors in search of a citation: villains or victims of the Vancouver convention? [see comments]      
Six-week response rates to an orthopedic surgeons' survey were not affected by academic incentives or administration modality      
Six years' experience with interdisciplinary review teams in health technology assessment in Norway.      
Size and quality of randomised controlled trials in head injury: review of published studies      
Size of cancer clinical trials and stopping rules      
The size of the gap between research evidence and clinical practice: questionnaire survey on treatment of patients with liver disease [abstract]      
Sleep evaluation scales and questionaries: a review      
Slight decline in Turkish cardiovascular publications 2002 covered by Science Citation Index.      
Small group processes relevant to data monitoring committees in controlled clinical trials: an overview of reviews      
Small sample performance of tests of homogeneity of odds ratios in K 2 x 2 tables      
Small sample size, composite endpoints, trials stopped early for benefit: threats to valid meta-analysis. Oral presentation at the 16th Cochrane Colloquium: Evidence in the era of globalisation; 2008 Oct 3-7; Freiburg, Germany [abstract]      
Small study effects in meta-analyses of osteoarthritis trials: meta-epidemiological study      
The smaller the study the larger the effect: meta-epidemiological study of randomised controlled trials [abstract]      
Smart search and analysis of ASCO abstracts: The 2003 ASCO pilot Breast Cancer Information Exchange (BCIE) project [abstract]      
Smokeless tobacco and oral cancer, the curious history of a ''fact'' [abstract]      
Smokers eligible for a clinical trial: correlates of not returning for randomization      
Smoking as a risk factor for Alzheimer's disease: contrasting evidence from a systematic review of case-control and cohort studies. [Review]      
Smoking cessation in pregnancy: re-analysing equity in a Cochrane Review. Poster presentation at the Joint Cochrane and Campbell Colloquium; 2010 Oct 18-22; Keystone, Colorado, USA [abstract]      
Smoking cessation programmes in pregnancy: systematically addressing development, implementation, women's concerns and effectiveness      
SMS versus telephone interviews for epidemiological data collection: feasibility study estimating influenza vaccination coverage in the Swedish population      
A snowballing technique to ensure comprehensiveness of search for systematic reviews: a case study. Poster presentation at the 19th Cochrane Colloquium; 2011 Oct 19-22; Madrid, Spain [abstract]      
So clean it squeaks - comparison of data collected by two independent groups on the same trial [abstract]      
So many filters, so little time: the development of a search filter appraisal checklist.      
So what's so special about randomization?      
Social characteristics of participants in health promotion effectiveness research: trial and error?      
The social construction through research of health visitor domiciliary visiting      
Social desirability bias in dietary self-report may compromise the validity of dietary intake measures.      
Social factors affecting interest in participating in a prostate cancer chemoprevention trial.      
Socially desirable responding on the web: investigating the candor hypothesis.      
Societal responsibilities of clinical trial sponsors. Lack of commercial pay off is not a legitimate reason for stopping a trial.      
The Society for Clinical Trials supports United States legislation mandating trials registration      
Sociodemographic and clinical predictors of participation in two randomized trials: findings from the Collaborative Ocular Melanoma Study COMS report no. 7.      
Sociodemographic and motivational characteristics of parents who volunteer their children for clinical research: a controlled study.      
Sociodemographic representation in published studies of cocaine abuse pharmacotherapy.      
Socioeconomic disparities in time to treatment and their impact on survival of breast cancer patients in England [abstract]      
Socioeconomic position and hormone replacement therapy use: explaining the discrepancy in evidence from observational and randomized controlled trials      
Software for data transformation for time-to-event outcomes [abstract]      
Solving the quandary between questionnaire length and response rate in educational research.      
Some adaptive strategies for inadequate sample acquisition in veterans administration cooperative clinical trials      
Some advantages of video conferencing over high-quality audio conferencing: fluency and awareness of attentional focus      
Some considerations in the planning of a clinical trial [abstract]      
Some dynamics of questionnaire completion and return among professional and managerial personnel: the relative impacts of reception at work site or place of residence.      
Some experiments with factors that might affect the response of mothers to a postal questionnaire.      
Some historical and methodological developments in early clinical trials at the National Institutes of Health      
Some methodological problems in the investigation of rare adverse reactions to oral contraceptives      
Some metrical issues with meta-analysis of therapy effects      
Some observations on attempts to measure appropriateness of care      
Some operational aspects of the Veterans Administration Cooperative Studies Program from 1972 to 1979      
Some practical problems in implementing randomization      
Some problems with clinical trials. James Ewing lecture.      
Some problems with the investigation of noninferiority in meta-analysis      
Some progress and problems in meta-analysis of clinical trials      
Some reflections on citation habits in psychology      
Some reflections on randomized controlled trials      
[Some risks of affecting the quality of published systematic reviews in China]      
Some statistical and methodological aspects in the clinical evaluation of the tranquilizers in mental illness [abstract]      
Some statistical methods for combining experimental results      
Some statistical methods for multiple endpoints in clinical trials      
'Sometimes similar, sometimes different': a systematic review of meta-analyses of random and non-randomized policy intervention studies [abstract]      
Sorting the wheat from the chaff: How does the Cochrane HIV/AIDS Specialized Trials Register compare to searching standard electronic databases? Poster presentation at the 19th Cochrane Colloquium; 2011 Oct 19-22; Madrid, Spain [abstract]      
Source and searching for ongoing trials for health technology assessment [abstract]      
Source of funding and outcome of clinical trials      
Source of funding and results of studies of health effects of mobile phone use: systematic review of experimental studies      
Source of funding and results of studies of health effects of mobile phone use: systematic review of experimental studies.      
Source of funding and results of studies of health effects of mobile phone use: systematic review of experimental studies [abstract]      
Sources of bias in clinical trials: inappropriate use of interim data and/or data monitoring committee recommendations in randomized controlled trials [abstract]      
Sources of evidence for systematic reviews of interventions in diabetes.      
Sources of evidence to support systematic reviews in librarianship      
Sources of heterogeneity in the meta-analysis of observational studies: the example of SIDS and sleeping position      
Sources of information and topics in cancer news published in printed media [abstract]      
Sources of information of occupational medicine in the internet [abstract]      
Sources of information on adverse effects: a systematic review      
Sources of knowledge in clinical practice in postgraduate medical students and faculty members: a conceptual map      
Sources of site differences in the efficacy of a multisite clinical trial: the treatment of SSRI-resistant depression in adolescents      
Sources of variation and bias in genomic studies of diagnostic accuracy [abstract]      
Sources of variation and bias in studies of diagnostic accuracy: a systematic review.      
South Asian patients' views and experiences of clinical trial participation.      
Spaced education improves the retention of clinical knowledge by medical students: a randomised controlled trial      
Spanish language translation and initial validation of the functional assessment of cancer therapy quality-of-life instrument.      
[Spanish pediatric publications in PubMed between 1996 and 2001]. [Spanish]      
[Spanish research in international pharmacy and pharmacology journals from 1980 to 1989]      
[The Spanish scientific production about human immunodeficiency virus infection/AIDS. A study through MedLine (1991-1999)]. [Spanish]      
[Spanish scientific production in biomedicine and health. A study via the Science Citation Index (1986-1989)]      
[Spanish scientific production in biomedicine and health sciences during the period 1990-1993 (Science Citation Index and Social Science Citation Index) and comparison to period 1986-1989]      
Spanish scientific production in psychiatry: bibliometric study of the publications with international circulation during the period 1980-1993.      
[Spanish scientific production in the cardiovascular area through Science Citation Index (1990-1996)]      
[The Spanish version of Skindex-29. An instrument for measuring quality of life in patients with cutaneous diseases]. [Spanish]      
A spatial analysis of the diffusion of NICE-endorsed innovations among Primary Care Trusts in England [abstract]      
Spatial effects should be allowed for in primary care and other community-based cluster RCTS      
Spatial learning in a virtual multilevel building: evaluating three exocentric view aids      
"Speaking the dialect": understanding public discourse in the aftermath of an HIV vaccine trial shutdown      
Special intervention reduces CVD mortality for adherent participants in the multiple risk factor intervention trial.      
Special populations recruitment for the Women's Health Initiative: successes and limitations      
Specialized medical search-engines are no better than general search-engines in sourcing consumer information about androgen deficiency      
Specialized quality assessment for special trials: a quality reassessment of cross-over trials involved in Cochrane systematic reviews. Poster presentation at the Joint Cochrane and Campbell Colloquium; 2010 Oct 18-22; Keystone, Colorado, USA [abstract]      
Specific barriers to the conduct of randomized trials      
Specific compliance issues in an antiestrogen trial of women at risk for breast cancer.      
Specific HRQL instruments and symptom scores were more responsive than preference-based generic instruments in patients with GERD      
Specifying inclusion criteria for a meta-analysis: lessons and illustrations from a quantitative synthesis of crime reduction experiments.      
Spectrum bias in the evaluation of diagnostic tests: lessons from the rapid dipstick test for urinary tract infection      
Spectrum bias or spectrum effect? Subgroup variation in diagnostic test evaluation      
Speech versus keying in command and control applications      
"Spin" in reports of randomized controlled trials with nonstatistically significant primary outcomes [abstract]      
Spinal cord injury and quality of life measures: a review of instrument psychometric quality. [Review]      
Spinal palpation: the challenges of information retrieval using available databases      
Spiraling between qualitative and quantitative data on women's health behaviors: a double helix model for mixed methods.      
The SPIRIT initiative: defining standard protocol items for randomised trials [abstract]      
The SPIRIT initiative: defining standard protocol items for randomised trials. Oral presentation at the 16th Cochrane Colloquium: Evidence in the era of globalisation; 2008 Oct 3-7; Freiburg, Germany [abstract]      
The SPIRIT initiative: defining standard protocol items for randomized trials [abstract]      
SPIRS, WinSPIRS, and OVID: a comparison of three MEDLINE-on-CD-ROM interfaces [see comments]      
Split-Mouth and crossover trials in dentistry are neither well differentiated, nor well analyzed or reported. Poster presentation at the 19th Cochrane Colloquium; 2011 Oct 19-22; Madrid, Spain [abstract]      
Split views among parents regarding children's right to decide about participation in research: a questionnaire survey      
Sponsored symposia on environmental tobacco smoke      
Sponsored trials do not necessarily give more-favourable results      
Sponsors' influence on reporting of results in industry-sponsored trials: a comparison of protocols and published papers. Poster presentation at the 19th Cochrane Colloquium; 2011 Oct 19-22; Madrid, Spain [abstract]      
Sponsorship, authorship, and accountability      
Sponsorship, authorship, and accountability.      
Sponsorship, bias, and methodology: Cochrane reviews compared with industry-sponsored meta-analyses of the same drugs [abstract]      
Sponsorship, bias and methodology: Cochrane reviews compared with paper-based meta-analyses of the same drugs [abstract]      
Sponsorship of drug and device studies and research outcome. Poster presentation at the 19th Cochrane Colloquium; 2011 Oct 19-22; Madrid, Spain [abstract]      
Spontaneous improvement in randomised clinical trials: meta-analysis of three-armed trials comparing no treatment, placebo and active intervention.      
Sports medicine clinical trial research publications in academic medical journals between 1996 and 2005: an audit of the PubMed MEDLINE database      
Spreading Cochrane press releases to lay people and Italian journalists. Oral presentation at the 19th Cochrane Colloquium; 2011 Oct 19-22; Madrid, Spain [abstract]      
'Spring-cleaning' of Cochrane reviews and clinical guidelines in order to co-ordinate Cochrane reviews and clinical practice [abstract]      
Spurious precision? Meta-analysis of observational studies      
Stability of combat exposure recall in Operation Iraqi Freedom veterans      
Stability of meta-analysis (M-As) of randomized control trials (RCTs): a retrospective study of 10 published M-As by sequential M-As and the implications for prospective M-As [abstract]      
Stability of parental understanding of random assignment in childhood leukemia trials: an empirical examination of informed consent      
The stability of quality of life experience in people with type 1 diabetes over a period of a year.      
Stage II Conducting the review. Phase 5 Study quality assessment.      
Staged informed consent for a randomized clinical trial in childhood leukemia: impact on the consent process.      
[A standard method for reporting randomized medical scientific research; the 'Consolidation of the standards of reporting trials' (CONSORT)].      
The standard of reporting of health-related quality of life in clinical cancer trials      
Standard parameters for searching behaviour in search engines and their empirical evaluation      
Standard quality assessment criteria for evaluating primary research from a variety of fields [abstract]      
The standardization of race and ethnicity in biomedical science editorials and UK biobanks      
Standardization of search methods for guideline development: an international survey of evidence-based guideline development groups.      
Standardization of terminology in meta-analysis: a proposal for working definitions      
Standardized assessment of adverse events in rheumatology clinical trials: summary of the OMERACT 7 drug safety module update.      
Standardized mean differences in individually-randomized and cluster-randomized trials, with applications to meta-analysis.      
Standardized or simple effect size: what should be reported?      
Standardized reporting of clinical practice guidelines: a proposal from the Conference on Guideline Standardization      
Standardized retrieval of side effects data for meta-analysis: a feasibility study in acute sinusitis [abstract]      
Standardized retrieval of side effects data for meta-analysis of safety outcomes. A feasibility study in acute sinusitis      
Standardizing assessment of adverse effects in rheumatology clinical trials. Status of OMERACT Toxicity Working Group March 2000: towards a common understanding of comparative toxicity/safety profiles for antirheumatic therapies      
Standardizing methodologies for economic evaluation in health care. Practice, problems, and potential.      
Standardizing quality assessment of observational studies for decision making in health care      
Standards for CHERG reviews of intervention effects on child survival      
Standards for Internet-based experimenting      
Standards for reporting clinical trials in livestock: application to food safety [abstract]      
Standards for reporting interventions in controlled trials of acupuncture: the STRICTA recommendations      
Standards for reporting interventions in controlled trials of acupuncture: the STRICTA recommendations.      
Standards for reporting interventions in controlled trials of acupuncture: the STRICTA recommendations.      
Standards for the use of ordinal scales in clinical trials      
Standards of reporting of randomized controlled trials in general surgery: can we do better?      
[The standing of clinical research in Germany - distribution of experimental versus clinical research in anaesthesia]. [German]      
The STARD statement for reporting diagnostic accuracy studies: application to the history and physical examination.      
The STARD statement for reporting studies of diagnostic accuracy: explanation and elaboration      
The STARD statement for reporting studies of diagnostic accuracy: explanation and elaboration      
The STARD statement for reporting studies of diagnostic accuracy: explanation and elaboration. The Standards for Reporting of Diagnostic Accuracy Group.      
STARD statement: still room for improvement in the reporting of diagnostic accuracy studies.      
The state and nature of clinical trials [abstract]      
The state of eating disorders research publications 1980-2000: an empirical analysis [abstract]      
The state of emergency medicine research.      
The state of international collaboration for health systems research: what do publications tell?      
State of the art in comparative cancer clinical trials      
State-of-the-art in vision randomized controlled clinical trials [abstract]      
The state of the art of research on chiropractic education      
The state of the art versus the state of the science. The diffusion of new medical technologies into practice.      
State of the evidence: current status and prospects of meta-analysis in infectious diseases      
State-of-the-evidence reviews: advantages and challenges of including grey literature.      
The state of women veterans' health research. Results of a systematic literature review.      
Statewide Tuskegee Alliance for clinical trials. A community coalition to enhance minority participation in medical research      
Statin use in the secondary prevention of coronary heart disease in primary care: cohort study and comparison of inclusion and outcome with patients in randomised trials.      
Statistical advances in AIDS therapy trials      
[Statistical analyses in the Revista Clinica Espanola: their actual use and accessibility for the reader]      
The statistical analysis of a clinical trial when a protocol amendment changed the inclusion criteria.      
[Statistical analysis of community-based studies -- presentation and comparison of possible solutions with reference to statistical meta-analytic methods]      
Statistical analysis of group-administered intervention data: reanalysis of two randomized trials.      
The statistical analysis of multiple binary measurements      
Statistical analysis of quality of life data in cancer clinical trials      
Statistical analysis of quality of life with missing data in cancer clinical trials      
Statistical and ethical issues in monitoring clinical trials      
Statistical and ethical issues in the design and conduct of phase I and II clinical trials of new anticancer agents.      
The statistical and methodological content of journals' instructions for authors [abstract]      
Statistical and safety considerations for stopping an asthma study: the ACRN SliMSIT trial [abstract]      
Statistical and theoretical considerations in meta-analysis      
A statistical approach to designing search filters to find systematic reviews: objectivity enhances accuracy      
A statistical approach to scanning the biomedical literature for pharmacogenetics knowledge      
Statistical arguments for the necessity of randomized trials in high-dose chemotherapy for breast cancer [abstract]      
Statistical aspects of design and analysis of clinical trials for the prevention of caries.      
Statistical aspects of early termination in the beta-blocker heart attack trial      
Statistical aspects of prognostic factor studies in oncology      
Statistical aspects of quality control of handsearching medical literature for identification of clinical trials [abstract]      
Statistical assessment of learning curve effects in a randomised controlled trial [abstract]      
Statistical assessment of the learning curves of health technologies      
Statistical awareness of research workers in British anaesthesia.      
The statistical basis of meta-analysis      
Statistical bibliography in the health sciences      
Statistical challenges in the evaluation of surrogate endpoints in randomized trials. [Review]      
Statistical choices can affect inferences about treatment efficacy: a case study from obsessive-compulsive disorder research      
Statistical comparison of random allocation methods in cancer clinical trials.      
Statistical conclusion validity of rehabilitation research. A quantitative analysis      
Statistical considerations      
Statistical considerations for a medical data base      
Statistical considerations in monitoring the Systolic Hypertension in the Elderly Program (SHEP)      
Statistical considerations in terminating randomization in the Multicenter Trial of Cryotherapy for Retinopathy of Prematurity. Cryotherapy for Retinopathy of Prematurity Cooperative Group      
Statistical considerations in the design and analysis of community intervention trials      
Statistical considerations in the early termination of the Multicenter Trial of Cryotherapy for Retinopathy of Prematurity [abstract]      
Statistical considerations in the intent-to-treat principle.[comment][erratum appears in Control Clin Trials 2000 Oct;21(5):526]      
The statistical content of published medical research: some implications for biomedical education.      
Statistical design in phase II clinical trials and its application in breast cancer.      
Statistical diagnosis and the influence of diagnostic error      
Statistical evaluation of biomarkers as surrogate endpoints: a literature review. [Review]      
Statistical evaluation of learning curve effects in surgical trials      
Statistical evaluation of medical journal manuscripts      
Statistical evaluation of the function of the 1992 International Continence Society Scientific Committee      
Statistical heterogeneity and the choice between fixed- and random-effect models: an exploratory analysis of Cochrane reviews. Poster presentation at the Joint Cochrane and Campbell Colloquium; 2010 Oct 18-22; Keystone, Colorado, USA [abstract]      
Statistical heterogeneity in systematic reviews of clinical trials: a critical appraisal of guidelines and practice      
Statistical issues in a metaregression analysis of randomized trials: impact on the dietary sodium intake and blood pressure relationship      
Statistical issues in multisite effectiveness trials: the case of brief strategic family therapy for adolescent drug abuse treatment      
Statistical issues in the assessment of the evidence for an interaction between factors in epilepsy trials      
Statistical issues in the design and analysis of expertise-based randomized clinical trials      
Statistical methodology for paired cluster designs      
Statistical methodology of phase III cancer clinical trials: advances and future perspectives.      
Statistical methods      
Statistical methods can be improved within Cochrane pregnancy and childbirth reviews      
Statistical methods for analysing Barthel scores in trials of poststroke interventions: a review and computer simulations.      
Statistical methods for assessing the influence of study characteristics on treatment effects in 'meta-epidemiological' research      
Statistical methods for cost-effectiveness analyses [published erratum appears in Control Clin Trials 1997 Apr;18(2):185]      
Statistical methods for data synthesis. Cochrane Workshop Report      
Statistical methods for examining heterogeneity and combining results from several studies in meta-analysis.      
Statistical methods for investigating heterogeneity related to methodological quality in meta-analyses of studies of diagnostic accuracy [abstract]      
Statistical methods for meta-analysis      
Statistical methods for the meta-analysis of cluster randomization trials.      
Statistical methods for the synthesis of epidemiological and toxicological research: chlorinated by-products and adverse reproductive outcomes [abstract]      
Statistical methods for the time-to-event analysis of individual participant data from multiple epidemiological studies      
Statistical methods in public health and epidemiology: a look at the recent past and projections for the next decade      
Statistical methods in rehabilitation literature: a survey of recent publications      
Statistical methods to correct for verification bias in diagnostic studies are inadequate when there are few false negatives: a simulation study.      
A statistical model validating triage for the peer review process: keeping the competitive applications in the review pipeline      
Statistical models appropriate for designs often used in group-randomized trials      
Statistical models of publication bias in meta-analyis      
[Statistical notes. Which risks do the patient incur if his own cardiologist accepts to be involved in a clinical trial without deep consideration of the a priori available evidence?]      
The statistical pitfalls of partially randomised patient preference trials [abstract]      
Statistical power analysis in pediatric nursing research      
Statistical power in nursing research      
Statistical power of negative randomized controlled trials presented at American Society for Clinical Oncology annual meetings.      
Statistical power, sample size, and their reporting in randomized controlled trials      
Statistical principles for clinical trials (ICH E9): an introductory note on an international guideline      
Statistical problems in the reporting of clinical trials. A survey of three medical journals      
Statistical reporting of clinical trials with individual changes from allocated treatment      
[Statistical results: which method of presentation to chose?]      
Statistical reviewers improve reporting in biomedical articles: a randomized trial      
Statistical reviewing for medical journals      
Statistical shortcomings in licensing applications      
Statistical significance and fragility criteria for assessing a difference of two proportions      
Statistical significance testing in the American Journal of Epidemiology, 1970-1990 [see comments]      
Statistical significance testing practices in the American Journal of Epidemiology, 1970-1990 [abstract]      
Statistical significance versus clinical importance: trials on exercise therapy for chronic low back pain as example.      
A statistical study of papers in the Journal of Bone and Joint Surgery [BR] 1984.      
Statistical techniques for analyzing data from prevention trials: treatment of no-shows using Rubin's causal model.      
Statistical techniques for the analysis of change in longitudinal studies of the menopause.      
Statistical versus traditional procedures for summarizing research findings      
Statistically combining independent studies: a meta-analysis of sex differences in conformity research.      
Statistically significant meta-analyses of clinical trials have modest credibility and inflated effects      
Statistically significant papers in psychiatry were cited more often than others.      
Statistics and ethics in medical research: III How large a sample?      
Statistics and medical experimentation      
Statistics in Epidemiology      
Statistics in medical journals      
Statistics in medical journals: some recent trends      
Statistics in Medicine: citations of papers in the first ten years      
[Statistics in the clinical research on drugs. A study of original articles emanating from Spanish centers]      
Statistics notes: Concealing treatment allocation in randomised trials.      
Statistics notes. Trials randomised in clusters      
The status of community health nursing research      
Status of open access in the biomedical field in 2005      
Status of protocols in the Cochrane Database of Systematic Reviews. Poster presentation at the 17th Cochrane Colloquium; 2009 Oct 11-14, Singapore [abstract]      
Status of PubMed records classified as CCT on the basis of abstracts [abstract]      
Step into my zapatos, doc: understanding and reducing communication disparities in the multicultural informed consent setting      
The stepped wedge trial design: a systematic review. [Review]      
Stereotyping and the treatment of missing data for drug and alcohol clinical trials      
Steroids in spinal cord injury - opinions are stronger than evidence.      
Stimulating responses to mailed questionnaires. An experimental study.      
Stopping a clinical trial early: frequentist and Bayesian approaches applied to a CALGB trial in non-small-cell lung cancer      
Stopping a clinical trial very early based on unplanned interim analyses: a group sequential approach      
Stopping a clinical trial very early because of toxicity: summarizing the evidence [see comments]      
Stopping a trial early in oncology: for patients or for industry?      
Stopping clinical trials because of treatment ineffectiveness: a comparison of a futility design with a method of stochastic curtailment.      
Stopping clinical trials early for benefit: impact on estimation      
Stopping clinical trials early for futility: retrospective analysis of several randomised clinical studies [abstract]      
Stopping early should be a methodologic quality criterion for Cochrane reviews [abstract]      
Stopping or reporting early for positive results in randomized clinical trials: The National Cancer Institute Cooperative Group experience from 1990 to 2005      
Stopping randomized trials early for benefit and estimation of treatment effects: systematic review and meta-regression analysis      
Stopping rules for clinical trials      
Stopping rules in randomized control trials [abstract]      
Stopping rules, interim analyses and data monitoring committees.      
Stopping the active intervention: CARET.      
Stopping when the experimental regimen does not appear to help      
Strategic approach to Web evaluation at the National Library of Medicine [abstract]      
Strategic physician communication and oncology clinical trials.      
Strategies and ethical considerations for the recruitment of young men who have sex with men: challenges of a vaccination trial in Mexico      
Strategies for accessment and recruitment of subjects for nursing research      
Strategies for communicating health research findings in an Arctic Aboriginal community [abstract]      
Strategies for conducting an international 5 year follow-up [abstract]      
Strategies for health data exchange for secondary, cross-institutional clinical research      
Strategies for maintaining long term follow-up in a neonatal trial in Australia and New Zealand [abstract]      
Strategies for motivating Latino couples' participation in qualitative health research and their effects on sample construction      
Strategies for recruiting African-American residents of public housing developments into a randomized controlled trial.      
Strategies for recruitment to a population-based lung cancer prevention trial: the CARET experience with heavy smokers. Beta-Carotene and Retinol Efficacy Trial      
Strategies for recruitment to RCTs: a systematic review of controlled trials and observational studies      
Strategies for retrieving final data from challenging centres with approaching database closure [abstract]      
Strategies for the advancement of surgical methods in cleft lip and palate      
Strategies for trials enrolment and participation study (STEPS) [abstract]      
Strategies in assessing the need for updating evidence-based guidelines for six clinical topics: an exploration of two search methodologies.      
Strategies that promote the use of The Cochrane Library [abstract]      
Strategies, time, and costs associated with the recruitment and enrollment of nursing home residents for a micronutrient supplementation clinical trial.      
Strategies to enhance patient recruitment and retention in research involving patients with a first episode of mental illness      
Strategies to improve minority patient accrual to cancer clinical trials [abstract]      
Strategies to improve recruitment to randomised controlled trials. Poster presentation at the Joint Cochrane and Campbell Colloquium; 2010 Oct 18-22; Keystone, Colorado, USA [abstract]      
Strategies to improve recruitment to research studies.      
Strategies to increase participant recruitment into large scale screening trials [abstract]      
Strategies to promote evidence-based practice in pediatric physical therapy: a formative evaluation pilot project      
Strategies to recruit and retain college smokers in cessation trials      
Strategies to reduce attrition in randomised trials: a methodology review. Poster presentation at the 19th Cochrane Colloquium; 2011 Oct 19-22; Madrid, Spain [abstract]      
Strategies to reduce attrition in randomised trials: a systematic review [abstract]      
Strategies to reduce attrition in randomised trials [abstract]      
Strategy for randomised clinical trials in rare cancers [review]      
A strategy to evaluate HTA consumer summaries [abstract]      
Stratified randomization for clinical trials      
Strength of accumulating evidence and data monitoring committee decision making.      
Strength of recommendation taxonomy (SORT): a patient-centered approach to grading evidence in the medical literature      
Strengthening the reliability and credibility of observational epidemiology studies by creating an Observational Studies Register      
Strengthening the reporting of genetic association studies (STREGA): an extension of the strengthening the reporting of observational studies in epidemiology (STROBE) statement      
STrengthening the REporting of Genetic Association studies (STREGA) - an extension of the STROBE statement.      
STrengthening the REporting of Genetic Association Studies (STREGA): an extension of the STROBE statement.      
Strengthening the reporting of genetic association studies (STREGA): an extension of the STROBE statement.      
Strengthening the reporting of genetic association studies (STREGA): an extension of the STROBE Statement.      
STrengthening the REporting of Genetic Association studies (STREGA): an extension of the STROBE Statement.      
Strengthening the reporting of Genetic RIsk Prediction Studies (GRIPS): explanation and elaboration      
STrengthening the Reporting of OBservational studies in Epidemiology--Molecular Epidemiology STROBE-ME: an extension of the STROBE statement      
Strengthening the Reporting of Observational Studies in Epidemiology (STROBE) [abstract]      
Strengthening the Reporting of Observational Studies in Epidemiology (STROBE): explanation and elaboration      
Strengthening the Reporting of Observational Studies in Epidemiology (STROBE): explanation and elaboration      
[Strengthening the reporting of observational studies in epidemiology (STROBE): explanation and elaboration]      
Strengthening the Reporting of Observational Studies in Epidemiology (STROBE): explanation and elaboration.      
The Strengthening the Reporting of Observational Studies in Epidemiology (STROBE) statement: guidelines for reporting observational studies.      
The Strengthening the Reporting of Observational Studies in Epidemiology (STROBE) statement: guidelines for reporting observational studies      
The Strengthening the Reporting of Observational Studies in Epidemiology (STROBE) statement: guidelines for reporting observational studies      
The Strengthening the Reporting of Observational Studies in Epidemiology (STROBE) statement: guidelines for reporting observational studies      
[The Strengthening the Reporting of Observational Studies in Epidemiology (STROBE) statement: guidelines for reporting observational studies]      
[The Strengthening the Reporting of Observational Studies in Epidemiology (STROBE) statement: guidelines for reporting observational studies]      
The Strengthening the Reporting of Observational Studies in Epidemiology (STROBE) statement: guidelines for reporting observational studies.      
[The Strengthening the Reporting of Observational Studies in Epidemiology (STROBE) statement: guidelines for reporting of observational studies]      
The strengths and limitations of meta-analyses based on aggregate data.      
Strengths and limitations of meta-analysis: larger studies may be more reliable      
The strengths and weaknesses of research designs involving quantitative measures.      
Stress ulcer prophylaxis in critically ill patients. Resolving discordant meta-analyses [see comments]      
Stroke patients' views on stroke outcomes: death versus disability.      
Stroke unit care in a real-life setting: Can results from randomized controlled trials be translated into every-day clinical practice? An observational study of hospital data in a large australian population      
Structural analysis of health technology assessments (HTA) demonstrates the need for standardized assessment of transparency, applicability and consistency (TAC criteria) [abstract]      
Structural analysis of health technology assessments (HTA) demonstrates the need for standardized assessment of transparency, applicability and consistency (TAC criteria) [abstract]      
Structural, infrastructural and procedural barriers to oncology clinical trials [abstract]      
Structural issues affecting mixed methods studies in health research: a qualitative study      
Structural transformations of the sciences and the end of peer review      
The structure of medical informatics journal literature      
Structured abstracts      
Structured abstracts and the JMPT      
Structured abstracts come to the Archives of Otolaryngology - Head and Neck Surgery      
Structured abstracts: do they improve citation retrieval from dental journals?      
Structured abstracts for clinical research manuscripts and reviews      
Structured abstracts in MEDLINE, 1989-1991      
A structured model for evaluation of information retrieval (IR)      
A structured review and theme analysis of papers published on 'quality of life' in head and neck cancer: 2000-2005.      
Structured review of enamel erosion literature (1980-1998): a critical appraisal of experimental, clinical and review publications      
A structured review of the literature on peer review [abstract]      
Structured summaries in French to facilitate access to findings of Cochrane systematic reviews to primary care physicians: a Swiss initiative. Poster presentation at the Joint Cochrane and Campbell Colloquium; 2010 Oct 18-22; Keystone, Colorado, USA [abstract]      
[The structured summary: a tool for reader and author]      
Structuring medical information into a language-independent database.      
Struggles to correct published errors.      
Students as valuable but vulnerable participants in research: Getting the balance right utilising a feminist approach and focus group interviews [abstract]      
Students validate problem based learning.      
Studies of citations and of 'obsolescence'      
Studies of surgical outcome after patellar tendinopathy: clinical significance of methodological deficiencies and guidelines for future studies. Victorian Institute of Sport Tendon Study Group      
Studies reporting ROC curves of diagnostic and prediction data can be incorporated into meta-analyses using corresponding odds ratios.      
Studies with staggered starts: multiple baseline designs and group-randomized trials      
Studies without internal controls      
Study blinding and correlations between perceived group assignment and outcome in a cocaine pharmacotherapy trial      
A study comparing centralized CD-ROM and decentralized intranet access to MEDLINE      
Study design and outcome measures in studies on aneurysmal subarachnoid hemorrhage      
Study design and outcomes in out-of-hospital emergency medicine research: a ten-year analysis.      
Study design attributes influenced patients' willingness to participate in clinical research: a randomized vignette-based study      
Study design factors and patient demographics and their effect on the decline of placebo-treated subjects in randomized clinical trials in Alzheimer's disease.      
Study design features affect estimates of sensitivity and specificity, but effects may vary. Oral presentation at the 16th Cochrane Colloquium: Evidence in the era of globalisation; 2008 Oct 3-7; Freiburg, Germany [abstract]      
Study designs and statistical methods in rheumatological journals: an international comparison      
Study designs of randomized controlled trials not based on Chinese medicine theory are improper      
Study designs used by Japanese clinical researchers: a quantitative estimate of randomized controlled trials, cohort studies, case-control studies and meta-analysis.      
A study in contrasts: eligibility criteria in a twenty-year sample of NSABP and POG clinical trials. National Surgical Adjuvant Breast and Bowel Program. Pediatric Oncology Group      
A study of citing motivation of Chinese scientists      
A study of clinical nursing research priorities in aged care: a Hong Kong perspective.      
A study of clinical nursing research priorities of renal specialist nurses caring for critically ill people.      
Study of cohort-specific consent and patient control in phase I cancer trials.      
A study of diet and breast cancer prevention in Canada: why healthy women participate in controlled trials      
The study of infectious intestinal disease in England: what risk factors for presentation to general practice tell us about potential for selection bias in case-control studies of reported cases of diarrhoea      
Study of information submitted by drug companies to licensing authorities      
A study of knowledge and attitudes towards Evidence Based Medicine (EBM) among medical students and interns at Manipal University, India. Poster presentation at the Joint Cochrane and Campbell Colloquium; 2010 Oct 18-22; Keystone, Colorado, USA [abstract]      
A study of mail survey method.      
A study of manufacturer-supported trials of nonsteroidal anti-inflammatory drugs in the treatment of arthritis      
A study of missing web-cites in scholarly articles: towards an evaluation framework.      
A study of non-response in a questionnaire survey of parents' views of paediatric care.      
A study of nurses' attitudes towards research: a factor analytic approach.      
A study of quantitative content analysis of health messages in U.S. media from 1985 to 2005      
A study of the educational and research priorities of registered nurses in rural Australia.      
A study of the influence of experimental design on clinical outcome in drug research.      
Study of the media's potential influence on prospective research participants' understanding of and motivations for participation in a high-profile phase I trial.      
A study of the methods used to select review criteria for clinical audit      
A study of the outcome of the American Society for Aesthetic Plastic Surgery research grant program.      
A study of the placebo response      
Study of the quality of information given to patients participating in a clinical trial regarding chronic hemodialysis.      
A study of the references used in Cochrane protocols and reviews. Three bibles, three dictionaries,and nearly 25,000 other things      
[Study on methodology of search strategies for Chinese therapeutic literature]      
A study on recruitment of black Americans into clinical trials through a cultural competence lens      
Study on the problems in the adverse event report of clinical trials      
A study on the statistical methods used in five Chinese journals of otorhinolaryngology      
Study participation improves treatment strategies and individual patient care in participating centers.      
Study participation improves treatment strategies and individual patient care in participating centers [abstract]      
[Study quality and effect-sizes - a metaanalysis of EMDR-treatment for posttraumatic stress disorder]. [German]      
Study quality and reporting bias in reviews of public health interventions [abstract]      
Study quality assessment in systematic reviews of research in intervention effects      
Study refusal and exclusion from a randomized treatment study of generalized social phobia      
A study to enhance clinical end-user MEDLINE search skills: design and baseline findings      
Studying a disease with no home - lessons in trial recruitment from the PATCH II study      
Studying the diffusion of technology: a bibliometric approach [abstract]      
The Stuttering Treatment Research Evaluation and Assessment Tool (STREAT): evaluating treatment research as part of evidence-based practice.      
Style in medical journals      
The style of early clinical research reporting: what are we saying and how do we say it?      
Sub-studies nested in a larger cohort: a comparison of the nested case-control and case-cohort designs [abstract]      
Subgroup analyses in individual patient data meta-analyses are driven by inconsistent use of subgroup analytic methods [abstract]      
Subgroup analyses in randomised controlled trials: quantifying the risks of false-positives and false-negatives      
Subgroup analyses in therapeutic cardiovascular clinical trials: are most of them misleading?      
Subgroup analyses of the major clinical endpoints in the Program on the Surgical Control of the Hyperlipidemias (POSCH): overall mortality, atherosclerotic coronary heart disease (ACHD) mortality, and ACHD mortality or myocardial infarction      
Subgroup analysis and other (mis)uses of baseline data in clinical trials      
Subgroup analysis, covariate adjustment and baseline comparisons in clinical trial reporting: current practice and problems.      
Subgroup analysis in meta-analysis of randomized clinical trials: the same pitfalls as in individual trials [abstract]      
Subgroup Analysis of Trials Is Rarely Easy (SATIRE): a study protocol for a systematic review to characterize the analysis, reporting, and claim of subgroup effects in randomized trials      
Subgroup effects despite homogeneous heterogeneity test results      
Subgroup interactions in the Heart and Estrogen/Progestin Replacement Study: lessons learned.      
Subgroup-specific effects of questionnaire wording on population-based estimates of mammography prevalence      
Subgroups, treatment effects, and baseline risks: some lessons from major cardiovascular trials      
Subject numbers and placebo outcome variability in clinical trials of new CNS medications.      
Subject recruitment for cancer control studies in an adverse environment.      
Subject retention in a controlled clinical trial.      
Subject selection biases in clinical trials: data from a multicenter schizophrenia treatment study      
Subject selection for the placebo- and comparator-controlled trials of neuroleptics in schizophrenia      
Subjective quality of life in a nationwide sample of Kuwaiti subjects using the short version of the WHO quality of life instrument      
Subjects matter: a survey of public opinions about a large genetic cohort study      
Subjects presented at ASHP Midyear Clinical Meetings, 1967-90 [see comments]      
Sublingual immunotherapy: efficacy - methodology and outcome of clinical trials.      
Sublingual immunotherapy in youngsters: adherence in a randomized clinical trial      
Submission, acceptance rate, rapid review system and impact factor.      
Submission and peer review frequencies before acceptance: an analysis of submissions by Mayo Clinic Section of Scientific Publications [abstract]      
Suboptimal analysis using 'optimal' cutpoints.[comment]      
A substantial and confusing variation exists in handling of baseline covariates in randomized controlled trials: a review of trials published in leading medical journals      
Substantial gains in bias reduction from matching with a variable number of controls      
Subversion of allocation in a randomised controlled trial [abstract]      
Subverting randomization in controlled trials      
The success of recruiting minorities, women, and elderly into a randomized controlled effectiveness trial      
Success rate of telephone and questionnaire reminders in a surgical randomised control trial [abstract]      
Successful blinding in cardiac arrhythmia pilot study (CAPS) [abstract]      
Successful implementation of HTA results in spite of an emotionalised context: deleting systematic hip ultrasound screening in newborns from insurance coverage in Switzerland due to current lack of evidence [abstract]      
Successful participant recruitment strategies for an online smokeless tobacco cessation program.      
Successful program for recovery of dropouts to a clinical trial      
Successful subject recruitment for a prostate cancer behavioral intervention trial      
Successfully recruiting a multicultural population: the DASH-Sodium experience.      
Sufficiency and stability of evidence for public health interventions using cumulative meta-analysis      
Sufficiently important difference for common cold: severity reduction.      
Suggested guidelines for reporting clinical results in transplantation trials.      
Suggestions for the presentation of quality of life data from clinical trials      
Suggestions in maternal and child health for the National Technology Assessment Programme: a consideration of consumer and professional priorities.      
Suicide rates in short-term randomized controlled trials of newer antidepressants.      
Suicide risk in placebo vs active treatment in placebo-controlled trials for schizophrenia.      
[Suitability of MEDLINE for the study of the Spanish scientific production in biomedicine and medical sciences. A comparative appraisal with the Science Citation Index]      
Summaries of evidence for health policymakers in low and middle income countries (LMIC). Oral presentation at the 16th Cochrane Colloquium: Evidence in the era of globalisation; 2008 Oct 3-7; Freiburg, Germany [abstract]      
Summaries of findings, descriptions of interventions, and information about adverse effects would make reviews more informative      
Summarising economic evaluations in systematic reviews: a new approach      
Summarising the results of a series of experiments      
Summarizing single-subject research. Issues and applications      
Summary measures and statistics for comparison of quality of life in a clinical trial of cancer therapy      
A summary of economic evaluations published in the field of rheumatology and related disciplines      
Summary-of-findings tables in Cochrane reviews improved understanding and rapid retrieval of key information      
Summary receiver operating characteristic curves as a technique for meta-analysis of the diagnostic performance of duplex ultrasonography in peripheral arterial disease      
Summary ROC curve approach to assess the role of prognostic factors in liver cirrhosis [abstract]      
Summing up evidence: one answer is not always enough      
Summing up: the science of reviewing research      
[SUPPORT Tools for evidence-informed health Policymaking (STP) 10: Taking equity into consideration when assessing the findings of a systematic review]      
[SUPPORT Tools for evidence-informed health Policymaking (STP) 12: Finding and using research evidence about resource use and costs]      
[SUPPORT Tools for evidence-informed health Policymaking (STP) 7: Finding systematic reviews]      
[SUPPORT Tools for evidence-informed health Policymaking (STP) 8: Deciding how much confidence to place in a systematic review]      
[SUPPORT Tools for evidence-informed health Policymaking (STP) 9: Assessing the applicability of the findings of a systematic review]      
Supporting advanced contributors to the Cochrane Collaboration in Australasia: bridging the gaps in training and support [abstract]      
Supporting the management of pragmatic randomized controlled trials: development of the trial management tool [abstract]      
Supporting the use of health technology assessments in policy making about health systems      
Surfing depth on a behaviour change website: predictors and effects on behaviour      
Surfing for back pain patients: the nature and quality of back pain information on the Internet      
Surfing for health: user evaluation of a health information website. Part one: background and literature review. [Review]      
Surfing systematically - experience of searching the internet      
Surfing the net for medical information about psychological trauma: an empirical study of the quality and accuracy of trauma-related websites      
Surfing the Net: information on the World Wide Web for patients with arthritis [abstract]      
Surfing the Net - information on the World Wide Web for persons with arthritis: patient empowerment or patient deceit?      
Surgeons' assessment of symptoms suggesting extrathoracic metastases in patients with lung cancer.      
Surgeons' attitudes towards and usage of evidence-based medicine in surgical practice: a pilot study.      
Surgeons' experience and interaction effect in randomized controlled trials regarding new surgical procedures      
Surgeons' participation in continuing medical education: is it evidence-based?      
Surgery as a placebo.      
Surgery on the World Wide Web: is reliable patient information available on the Internet? [abstract]      
Surgical and oncology trials for rectal cancer: who will participate?      
Surgical e-learning: validation of multimedia web-based lectures      
Surgical evaluation at the crossroads.      
Surgical informatics on the Internet: any improvement?      
The surgical mystique and the double standard. Controlled trials of medical and surgical therapy for cardiac disease: analysis, hypothesis, proposal.      
Surgical practice is evidence based      
[Surgical research and publications in Germany--an analysis of 1984-1994]      
Surgical research: master or servant      
Surgical research revisited: clinical trials in the cardiothoracic surgical literature.      
Surgical vs nonoperative treatment for lumbar disk herniation: the Spine Patient Outcomes Research Trial (SPORT) observational cohort.      
Surrogate and auxiliary endpoints in clinical trials, with potential applications in cancer and AIDS research      
Surrogate consent for dementia research: a national survey of older Americans      
Surrogate end points in clinical trials: are we being misled? [Review]      
Surrogate end-points: the case of trials on coronary atherosclerotic plaque regression      
Surrogate endpoints for overall survival in advanced colorectal cancer: a clinician's perspective      
Surrogate endpoints for overall survival in locally advanced head and neck cancer: meta-analyses of individual patient data      
Surrogate endpoints for the prophylactic treatment of TaT1 bladder cancer: a combined analysis of EORTC and MRC randomized clinical trials. The EORTC GU Tract Cancer Cooperative Group and the MRC Working Party on Superficial Bladder Cancer. [abstract]      
Surrogate endpoints in clinical trials: cancer      
Surrogate endpoints in clinical trials: cardiovascular diseases      
Surrogate endpoints in clinical trials: definition and operational criteria      
Surrogate endpoints in clinical trials: ophthalmologic disorders      
Surrogate markers in AIDS and cancer trials      
Surrogate outcomes in health technology assessment: an international comparison      
Surrogate outcomes in health technology assessment: friend or foe? [abstract]      
Surveillance of malformations at birth: a comparison of two record systems run in parallel      
A surveillance program for serious adverse events during phase III drug development studies      
Surveillance search techniques identified the need to update systematic reviews.      
Survey among 78 studies showed that Lasagna's law holds in Dutch primary care research      
A survey analysis of doctors' perceptions of difficulties in patient involvement in clinical decision making. Poster presentation at the 16th Cochrane Colloquium: Evidence in the era of globalisation; 2008 Oct 3-7; Freiburg, Germany [abstract]      
A survey demonstrates that effective mental health interventions are applied in The Netherlands.      
A survey identified publication bias in the secondary literature.      
A survey in searching CBM and LILACS databases in Cochrane Systematic Reviews. Poster presentation at the 19th Cochrane Colloquium; 2011 Oct 19-22; Madrid, Spain [abstract]      
Survey non-response in the Netherlands: effects on prevalence estimates and associations      
A survey of abstracts of high-impact clinical journals indicated most statistical methods presented are summary statistics.      
A survey of accuracy of reference citations in two Korean dermatological journals.      
Survey of active verbs in the titles of clinical trial reports      
Survey of American media coverage of the review of mammography trials: an opportunity to educate consumers about the risks of detecting ductal carcinoma in situ      
A survey of attitudes and behaviors of authors who publish in psychology and education journals      
Survey of Australasian clinicians' prior beliefs concerning lipiodol flushing as a treatment for infertility: a Bayesian study.      
Survey of Australian hospitals shows evidence-based practice and policy in surgery.      
A survey of breast cancer patients' views on entry into several clinical studies.      
A survey of clinical trials of antibiotic prophylaxis in colon surgery: evidence against further use of no-treatment controls      
Survey of collaborators' opinions about study results [abstract]      
Survey of Croatian science from Science Citation Index between 1985 and 1992 scientometrics - one possible approach.      
A survey of data entry methods: substituting data for "religion" [abstract]      
A survey of data monitoring committees in NIH-sponsored multicenter trials [abstract]      
Survey of diagnostic test meta-analyses [abstract]      
A survey of endpoint characteristics in periodontal clinical trials published 1988-1992, and implications for future studies.      
[A survey of evidence-based medicine teaching in China]      
A survey of evidence in the Journal of Veterinary Internal Medicine oncology manuscripts from 1999 to 2007      
Survey of fulfillment of criteria for authorship in published medical research [see comments]      
Survey of handheld computing among medical students [abstract]      
A survey of inclusion of the time element when reporting adverse effects in randomised controlled trials of cyclo-oxygenase-2 and tumour necrosis factor alpha inhibitors.      
A survey of industrial perspectives on the Central Pharmaceutical Affairs Council's review of clinical trial protocols and study reports      
Survey of knowledge of evidence based medicine among clinicians in China [abstract]      
A survey of midwives who participated in a randomised trial of perineal massage in labour.      
Survey of modalities of toxicity assessment and reporting in noncomparative prospective studies of chemotherapy in breast cancer [review]      
A survey of monitoring practices in cancer clinical trials      
A survey of noncompliance patterns in a cooperative study [abstract]      
Survey of oncologists' perceptions of barriers to accrual of older patients with breast carcinoma to clinical trials      
Survey of policies about data monitoring committees (DMCs) from major funders [abstract]      
A survey of public funding of cancer research in the European Union.      
Survey of public information about ongoing clinical trials funded by industry: evaluation of completeness and accessibility      
A survey of reference accuracy in five national dental journals      
A survey of reference accuracy in two Asian dermatologic journals (the Journal of Dermatology and the Korean Journal of Dermatology).      
Survey of sampling techniques in widowhood research, 1973-1983.      
Survey of systematic review authors in dentistry: challenges in methodology and reporting.      
A survey of the accuracy of references in 10 dental journals      
Survey of the amount of the industry funding for biomedical research - analysis of questionnaire for medical and pharmaceutical departments, professors belonging these departments and the pharmaceutical companies      
A survey of the awareness of GRADE in China. Poster presentation at the 19th Cochrane Colloquium; 2011 Oct 19-22; Madrid, Spain [abstract]      
Survey of the clinical practice of physicians in the management of asthma in Taiwan.      
A survey of the credibility of trial results when generated by independent investigators or by drug manufacturers [abstract]      
A survey of the effects of sending Influenza A (H1N1) evidence through the short messages system to doctors of Township Health Centers in China. Poster presentation at the Joint Cochrane and Campbell Colloquium; 2010 Oct 18-22; Keystone, Colorado, USA [abstract]      
A survey of the ethical considerations in randomised trials for lung cancer.      
A survey of the first 1000 Cochrane systematic reviews: assessment of the use of 'subject' to refer to trial participants      
A survey of the first 1000 Cochrane systematic reviews: use of unpublished data, subgroup analysis, authorship and number of trials included      
Survey of the impact of randomised clinical trials on surgical practice in France. French Associations for Research in Surgery (AURC and ACAPEM). Association Universitaire de Recherche en Chirurgie. Association des Chirurgiens de l'Assistance Publique pour l'Evaluation Medicale.      
A survey of the publication history of randomly selected IADR/AADR abstracts presented in 1983 and 1984      
A survey of the quality of web based information on the treatment of schizophrenia and attention deficit hyperactivity disorder      
[A survey of the status of funding of registered Chinese trials]      
A survey of the views of palliative care healthcare professionals towards referring cancer patients to participate in randomized controlled trials in palliative care.      
A survey of trial collaborators on the effectiveness of recruitment strategies [abstract]      
A survey of United States rheumatologists concerning effectiveness of disease-modifying antirheumatic drugs and prednisone in the treatment of rheumatoid arthritis      
Survey of views on including grey literature in systematic reviews [abstract]      
Survey on Finnish patient organisations shows economic and other interactions with drug industry [abstract]      
A survey on involvement of consumers by HTA agencies [abstract]      
A survey on literature searching of systematic review in traditional Chinese medicine field. Poster presentation at the Joint Cochrane and Campbell Colloquium; 2010 Oct 18-22; Keystone, Colorado, USA [abstract]      
A survey on medical students' perception, attitude toward evidence-based medicine in a medical school in Taiwan [abstract]      
A survey on patient educational needs in irritable bowel syndrome and attitudes toward participation in clinical research.      
[A survey on publication standards of medical drug and device advertisements published in core medical journals in China]      
A survey on publication standards of medical drug and device advertisements published in core medical journals in China [abstract]      
Survey on the involvement of consumers in health technology assessment programs      
Survey on the use of adaptive designs in the Journal of the American Medical Association (2007- 08) [abstract]      
Survey questionnaire format effect on response rate and cost per return.      
Survey response rate as a function of personalized signature on cover letter.      
Survey response rates to a professional association mail questionnaire.      
Survey return rates and questionnaire appearance.      
Surveyed opinion of American trauma, orthopedic, and thoracic surgeons on rib and sternal fracture repair      
Surveying alumni by mail: effect of booklet/folder questionnaire format and style of type on response rate.      
Surveying physicians to determine the minimal important difference: implications for sample-size calculation      
Surveying the literature from animal experiments: avoidance of bias is objective of systematic reviews, not meta-analysis.      
Surveys identify barriers to participation in clinical trials.      
Surveys of current status in biomedical science grant review: funding organizations and grant reviewers' perspectives [abstract]      
Survival after a psychoeducational intervention for patients with cutaneous malignant melanoma: a replication study      
Survival analyses of randomized clinical trials adjusted for patients who switch treatments [see comments]      
Survival analysis in clinical trials: past developments and future directions      
Survival analysis used to estimate time to publication of reports of randomised controlled trials [abstract]      
Survival and informed consent understanding of elderly advanced cancer patients enrolling in Phase I trials [abstract]      
Survival benefits with diverse chemotherapy regimens for ovarian cancer: meta-analysis of multiple treatments      
Survival bias associated with time-to-treatment initiation in drug effectiveness evaluation: a comparison of methods.      
Survival end point reporting in randomized cancer clinical trials: a review of major journals.      
Survival from localized breast cancer. Variability across trials and registries      
Survival in childhood acute lymphocytic leukemia: effect of protocol and place of treatment.      
Survival meta-analysis of individual patient data and survival meta-analysis of published (aggregate) data: Is there an intermediate approach between these two opposite options?      
Survival meta-analysis of individual patient data and survival meta-analysis of published (aggregate) data: is there any intermediate approach between these two opposite options? [abstract]      
Survival, quality of life and breast cancer. [Review]      
Survival trends for advanced colorectal cancer (CRC): are improvements only for patients in clinical trials? [abstract]      
Survival versus years of healthy life: which is more powerful as a study outcome?      
Survivor treatment selection bias in observational studies: examples from the AIDS literature.      
Suspended judgment. Clinical trials of informed consent      
Suspended judgment. Memories of the British Streptomycin Trial in Tuberculosis. The first randomized clinical trial      
Suspended judgment. Seeing through the double-masked design: a commentary      
Suspended judgment. The 1953 clinical trial of diethylstilbestrol during pregnancy: could it have stopped DES use?      
Sustainable clinical trials: a study of carbon cost of HTA trials [abstract]      
The Swedish SF-36 Health Survey--I. Evaluation of data quality, scaling assumptions, reliability and construct validity across general populations in Sweden.      
SYLVIE - a web-based systematic literature reviewing aid: preliminary assessment of usability [abstract]      
Symbols were superior to numbers for presenting strength of recommendations to health care consumers: a randomized trial.      
Symptom experience after discontinuing use of estrogen plus progestin.      
Synchronous versus diachronous methods in the measurement of obsolescence by citation studies      
Syncope and other adverse events associated with cholinesterase inhibitors: systematic review of the literature versus analysis of the FDA Adverse Events Database. Poster presentation at the 19th Cochrane Colloquium; 2011 Oct 19-22; Madrid, Spain [abstract]      
Synergy between publication and promotion: comparing adoption of new evidence in Canada and the United States.      
Synonym set extraction from the biomedical literature by lexical pattern discovery.      
Synthesis of genetic association studies for pertinent gene-disease associations requires appropriate methodological and statistical approaches.      
Synthesis of observational studies should consider credibility ceilings      
Synthesis of quality of life data in systematic reviews: problems and proposals [abstract]      
Synthesis of quantitative and qualitative research: an example using Critical Interpretive Synthesis      
Synthesising data from controlled trials and other designs: a Bayesian hierarchical modelling approach [abstract]      
Synthesising qualitative and quantitative evidence: a review of possible methods.      
Synthesising quantitative and qualitative research in evidence-based patient information      
Synthesizing evidence about emerging diagnostic technologies for practice and policy - mind the gap! [abstract]      
Synthesizing evidence from economic evaluations: the case of statin therapy      
Synthesizing qualitative research: a review of published reports.      
Synthesizing research: a guide for literature reviews. 3rd ed. (Applied Social Research Methods Series, volume 2)      
A system for browsing the SNOMED International vocabulary.      
A system for rating the stability and strength of medical evidence.      
A systematic analysis of process evaluations [abstract]      
Systematic analysis of research underfunding in maternal and perinatal health      
A systematic and critical review of the process of translation and adaptation of generic health-related quality of life measures in Africa, Asia, Eastern Europe, the Middle East, South America      
A systematic and transparent approach for assessing the methodological quality of intervention effectiveness research: the Study Design and Implementation Assessment Device (Study DIAD).      
A systematic approach to conducting a non-statistical meta-analysis of research literature.      
A systematic approach to finding answers over the Internet      
Systematic assessment of World Wide Web materials for medical education: online, cooperative peer review      
A systematic comparison of different sets of quality assessment criteria in systematic reviews of effectiveness in health promotion [abstract]      
A systematic comparison of software dedicated to meta-analysis of causal studies.      
Systematic evaluation and comparison of statistical tests for publication bias.      
A systematic evaluation of the impact of STRICTA and CONSORT recommendations on quality of reporting for acupuncture trials.      
Systematic evaluation of the methodology of randomized controlled trials of anticoagulation in patients with cancer. Poster presentation at the 19th Cochrane Colloquium; 2011 Oct 19-22; Madrid, Spain [abstract]      
A systematic evaluation of the quality of meta-analyses in the critical care literature.      
Systematic evaluation of the quality of randomized controlled trials in diabetes.      
Systematic evaluation of the quality of randomized controlled trials of anticoagulation in patients with cancer [abstract]      
Systematic evaluation of web-based, publicly accessible clinical trials results databases [abstract]      
A systematic examination of the citation of prior research in reports of randomized, controlled trials      
The systematic guideline review: method, rationale, and test on chronic heart failure      
Systematic literature research in the field of complementary and alternative medicine (CAM): results of a systematic search for homeopathy, phytotherapy, traditional Chinese medicine and neuraltherapy [abstract]      
A systematic literature review of attrition between waves in longitudinal studies in the elderly shows a consistent pattern of dropout between differing studies.      
Systematic literature review of predicting recruitment to clinical trials [abstract]      
Systematic mapping - a new development in the evidence base for social care [abstract]      
A systematic meta-review of hypnosis as an empirically supported treatment for pain      
A systematic method of identifying and prioritising research questions. Oral presentation at the 16th Cochrane Colloquium: Evidence in the era of globalisation; 2008 Oct 3-7; Freiburg, Germany [abstract]      
Systematic mixed-methods reviews are not ready to be assessed with the available tools      
Systematic overview of cost-utility assessments in oncology.      
A systematic overview of inividual data from 100,000 patients in randomised trials: Data management aspects [abstract]      
Systematic overview of quality of life studies for breast cancer.      
Systematic qualitative review of the literature on data monitoring committees for randomized controlled trials      
Systematic review and meta-analysis of ethnic differences in risks of adverse reactions to drugs used in cardiovascular medicine.      
A systematic review and meta-analysis of quantitative interviewing tools to investigate self-reported HIV and STI associated behaviours in low- and middle-income countries      
Systematic review and meta-analysis of randomised trials and cohort studies of mycophenolate mofetil in lupus nephritis.      
Systematic review and quality appraisal reveals current osteoporosis guidelines developed with little methodological rigor.      
Systematic review data extraction: cross-sectional study showed that experience did not increase accuracy      
A systematic review finds that diagnostic reviews fail to incorporate quality despite available tools.      
A systematic review finds that methodological quality is better than its reputation but can be improved in physiotherapy trials in childhood cerebral palsy.      
Systematic review highlights difficulty interpreting diverse clinical outcomes in abnormal uterine bleeding trials      
A systematic review highlights threats to validity in studies of barriers to cancer trial participation.      
A systematic review identified few methods and strategies describing when and how to update systematic reviews.      
Systematic review identified suboptimal reporting and use of race/ethnicity in general medical journals.      
A systematic review identifies a lack of standardization in methods for handling missing variance data.      
Systematic review identifies number of strategies important for retaining study participants.      
A systematic review of analytical methods used to study subgroups in (individual patient data) meta-analyses.      
A systematic review of appraisal tools for clinical practice guidelines: multiple similarities and one common deficit      
A systematic review of appraisal tools for clinical practice guidelines: multiple similarities and one common deficit [abstract]      
Systematic review of barriers, modifiers and benefits involved in participation in cancer clinical trials. Report 31      
A systematic review of case series of paediatric cardiac surgery [abstract]      
A systematic review of clinical trials of pharmacological interventions for acute ischaemic stroke (1955-2008) that were completed, but not published in full      
Systematic review of clinical trials on acupuncture in the Japanese literature.      
Systematic review of comparative studies examining alternatives to the harmful use of animals in biomedical education      
A systematic review of comparisons of effect sizes derived from randomised and non-randomised studies      
A systematic review of conflicting meta-analyses in orthopaedic surgery      
Systematic review of definitions and methods of measuring falls in randomised controlled fall prevention trials.      
Systematic review of economic evaluations and cost analyses of guideline implementation strategies      
Systematic review of economic evaluations undertaken in international HTA studies [abstract]      
A systematic review of economic methods to measure patients and public perspectives in Health Technology Assessment [abstract]      
A systematic review of effective models of commissioning: developing approaches to evaluating and synthesising qualitative studies      
A systematic review of effective models of commissioning in primary and community care settings      
A systematic review of empirical research into ethics in general practice.      
Systematic review of evidence grading systems for grading levels of evidence. Poster presentation at the 16th Cochrane Colloquium: Evidence in the era of globalisation; 2008 Oct 3-7; Freiburg, Germany [abstract]      
A systematic review of existing national priorities for child health research in sub-Saharan Africa.      
Systematic review of guideline dissemination and implementation strategies [abstract]      
A systematic review of guideline implementation studies focusing on the evidence on cost-effectiveness      
A systematic review of health literacy in Cochrane review articles on pediatric asthma educational interventions: searching beyond rigorous design [abstract]      
Systematic review of measures of clinical significance employed in randomized controlled trials of drugs for dementia: drugs and pharmacology      
Systematic review of methodological issues related to summarizing the non-randomized evidence in orthopaedic surgery      
A systematic review of methodology in trials of smoking cessation aids [abstract]      
Systematic review of methods and results of studies of the genetic epidemiology of ischemic stroke      
A systematic review of methods of dialysis management: economic evaluation alongside systematic review      
A systematic review of models to predict recruitment to multicentre clinical trials      
A systematic review of N-of-1 methods, analysis and meta-analysis. Poster presentation at the 17th Cochrane Colloquium; 2009 Oct 11-14, Singapore [abstract]      
Systematic review of nonrandom and qualitative research literature; exploring and uncovering an evidence base for health visiting and decision making      
A systematic review of outcomes assessed in randomized controlled trials of surgical interventions for carpal tunnel syndrome using the International Classification of Functioning, Disability and Health (ICF) as a reference tool.      
Systematic review of perceptions about financial conflicts of interest in scientific research [abstract]      
A systematic review of placebo response in studies of bipolar mania.      
Systematic review of pre-dialysis erythropoietin use: an example of industry-funding of independent health technology assessment [abstract]      
Systematic review of publication bias in studies on publication bias.      
Systematic review of qualitative studies: extracting socio-cultural differences in 'influences and perceptions' for the design of obesity prevention interventions      
Systematic review of quality assessment instruments for randomized control trials: selection of SIGN50 methodological checklist [abstract]      
A systematic review of randomized controlled trials of pharmacological therapy in osteoarthritis of the knee, with an emphasis on trial methodology      
A systematic review of RCT's reporting NNT [abstract]      
A systematic review of reasons for nonentry of eligible patients into surgical randomized controlled trials.      
A systematic review of reviews comparing the effectiveness of endoscopic and open carpal tunnel decompression.      
Systematic review of reviews on the use of biologics for rheumatoid arthritis [abstract]      
Systematic review of statistical methods used to analyze Seattle Angina Questionnaire scores      
Systematic review of stepped wedge cluster randomized trials shows that design is particularly used to evaluate interventions during routine implementation      
Systematic review of strategies for enhancing recruitment of participants for randomised controlled trials [abstract]      
A systematic review of studies that aim to determine which outcomes to measure in clinical trials in children.      
A systematic review of studies that develop or evaluate search filters for the retrieval of diagnostic studies in MEDLINE. Oral presentation at the 19th Cochrane Colloquium; 2011 Oct 19-22; Madrid, Spain [abstract]      
A systematic review of systematic reviews and meta-analyses of animal experiments with guidelines for reporting.      
Systematic review of systematic reviews of acupuncture published 1996-2005.      
A systematic review of techniques and interventions for improving adherence to inclusion and exclusion criteria during enrolment into randomised controlled trials      
A systematic review of the content of critical appraisal tools      
A systematic review of the definition and measurement of surgical wound infection [abstract]      
Systematic review of the diagnostic accuracy of a screening test: methodological issues [abstract]      
A systematic review of the effectiveness of critical appraisal skills training for clinicians. [Review]      
A systematic review of the effectiveness of the introduction of clinical guidelines into medical practice      
Systematic review of the empirical evidence of study publication bias and outcome reporting bias.      
Systematic review of the empirical evidence of study publication bias and outcome reporting bias. Poster presentation at the 16th Cochrane Colloquium: Evidence in the era of globalisation; 2008 Oct 3-7; Freiburg, Germany [abstract]      
A systematic review of the impact of HTA reports [abstract]      
A systematic review of the impact of HTA-reports on health policy shows lack of systematic evaluation and evaluation tools [abstract]      
Systematic review of the impact of reporting guidelines on publication quality. Poster presentation at the 19th Cochrane Colloquium; 2011 Oct 19-22; Madrid, Spain [abstract]      
A systematic review of the literature on evaluative studies of tonsillectomy and adenoidectomy.      
A systematic review of the literature on patient priorities for general practice care. Part 1: description of the research domain. [Review]      
A systematic review of the psychiatric/mental health nursing research literature 1982-1992      
A systematic review of the quality and impact of anxiety disorder meta-analyses      
A systematic review of the quality of homeopathic clinical trials      
A systematic review of the quality of homeopathic clinical trials [abstract]      
A systematic review of the quality of homeopathic pathogenetic trials published from 1945 to 1995      
A systematic review of the quality of homeopathic pathogenetic trials published from 1945 to 1995 [abstract]      
A systematic review of the quality of publications reporting coronary artery bypass grafting (CABG) trials [abstract]      
A systematic review of the quality of publications reporting coronary artery bypass grafting (CABG) trials [abstract]      
A systematic review of the quality of publications reporting coronary artery bypass grafting trials      
Systematic review of the quality of randomized controlled trials for patellofemoral pain syndrome. [Review]      
Systematic review of the relationship between quality of life and survival in cancer patients      
A systematic review of the reporting of Data Monitoring Committees' roles, interim analysis and early termination in pediatric clinical trials      
A systematic review of the risks of stroke and death due to endarterectomy for symptomatic carotid stenosis      
A systematic review of the skeletal effects of estrogen therapy in postmenopausal women. I. An assessment of the quality of randomized trials published between 1977 and 1995.      
A systematic review of the use of computers in the management of hypertension      
A systematic review of the use of theory in the design of guideline dissemination and implementation strategies and interpretation of the results of rigorous evaluations      
A systematic review of titles and abstracts of experimental studies in medical education: many informative elements missing.      
A systematic review of tools used to assess the quality of observational studies that examine incidence or prevalence and risk factors for diseases      
A systematic review of trends in the methodological quality of randomized controlled trials in various research fields      
A systematic review of trial methodology, using the placebo groups of randomized controlled trials in paediatric postoperative pain.      
A systematic review on communicating with patients about evidence      
A systematic review on the influence of trial quality on the effect of garlic on blood pressure      
Systematic review processes and the management of opioid withdrawal      
Systematic review reveals heterogeneity in definition of a clinically relevant difference in pain      
Systematic review: the methodological quality of trials affects estimates of treatment efficacy in functional (non-ulcer) dyspepsia.      
Systematic review: the use of research evidence by public health policy-makers [abstract]      
Systematic review to determine whether participation in a trial influences outcome.      
Systematic reviewers commonly contact study authors but do so with limited rigor      
Systematic reviewers neglect bias that results from trials stopped early for benefit.      
Systematic reviews      
Systematic reviews: a cross-sectional study of location and citation counts      
Systematic reviews and economic evaluations conducted for the National Institute for Health and Clinical Excellence in the United Kingdom: a game of two halves.      
Systematic reviews and knowledge translation.      
Systematic reviews and meta-analyses fail to address bias introduced by randomized trials stopped early for benefit [abstract]      
Systematic reviews and meta-analyses on treatment of asthma: critical evaluation.[erratum appears in BMJ 2000 Apr 8;320(7240):984]      
Systematic reviews and meta-analysis      
Systematic reviews and meta-analysis: a structured review of the methodological literature      
Systematic reviews and original articles differ in relevance, novelty, and use in an evidence-based service for physicians: PLUS project.      
Systematic reviews can be produced and published faster.      
Systematic reviews: critical links in the great chain of evidence      
Systematic reviews depend on systematic literature searches.      
Systematic reviews depend on systematic literature seraches [abstract]      
Systematic reviews do not allow appraisal of complex interventions [abstract]      
Systematic reviews from astronomy to zoology: myths and misconceptions.      
Systematic reviews in dentistry have problems including split-mouth and cross-over trials in meta-analysis. Poster presentation at the 19th Cochrane Colloquium; 2011 Oct 19-22; Madrid, Spain [abstract]      
Systematic reviews in dermatology on the map: you are here [abstract]      
Systematic reviews in epidemiology: why are we so far behind?      
Systematic reviews in health care: assessing the quality of controlled clinical trials. [Review]      
Systematic reviews in health care: Assessing the quality of controlled clinical trials. [Review] [37 refs]      
Systematic reviews in health care: Investigating and dealing with publication and other biases in meta-analysis      
Systematic reviews in health care: systematic reviews of evaluations of diagnostic and screening tests. [Review]      
Systematic reviews in nursing      
[Systematic reviews in practice. VIII. Searching and assessing systematic reviews]. [Review] [29 refs] [Dutch]      
Systematic reviews in rehabilitation for stroke: issues and approaches to addressing them      
Systematic reviews in the prognosis field: a critical appraisal of six core clinical journals. Poster presentation at the Joint Cochrane and Campbell Colloquium; 2010 Oct 18-22; Keystone, Colorado, USA [abstract]      
Systematic reviews incorporating evidence from nonrandomized study designs: reasons for caution when estimating health effects.      
Systematic reviews: insufficient evidence on which to base medicine      
Systematic reviews involving complementary and alternative medicine interventions had higher quality of reporting than conventional medicine reviews.      
Systematic reviews need systematic searchers      
Systematic reviews neglect safety issues.      
Systematic reviews of acupuncture - are there problems with these?      
Systematic reviews of adverse effects: framework for a structured approach.      
Systematic reviews of adverse events. Is screening by title and abstract enough? Poster presentation at the 19th Cochrane Colloquium; 2011 Oct 19-22; Madrid, Spain [abstract]      
Systematic reviews of animal experiments      
Systematic reviews of diagnostic accuracy studies require study by study examination: first for heterogeneity, and then for sources of heterogeneity.      
Systematic reviews of diagnostic research Considerations about assessment and incorporation of methodological quality      
Systematic reviews of diagnostic test accuracy      
Systematic reviews of diagnostic tests--a new challenge for laboratory medicine      
Systematic reviews of diagnostic tests in cancer: assessment of methodology and reporting quality [abstract]      
Systematic reviews of diagnostic tests in cancer: review of methods and reporting.      
Systematic reviews of economic evaluations: search strategies [abstract]      
Systematic reviews of epidemiology in diabetes: finding the evidence.      
Systematic reviews of evaluations of diagnostic and screening tests.      
Systematic reviews of genetic association studies.      
Systematic reviews of health effects of social interventions: 1. Finding the evidence: how far should you go?      
Systematic reviews of health effects of social interventions: 2. Best available evidence: how low should you go?      
Systematic reviews of infectious diseases.      
Systematic reviews of knowledge translation interventions: contributions of process evaluations and contact with authors [abstract]      
Systematic reviews of low back pain prognosis had variable methods and results: guidance for future prognosis reviews.      
Systematic reviews of medical evidence: the use of meta-analysis in obstetrics and gynecology      
Systematic reviews of meta-analyses: applications and limitations      
Systematic reviews of non-randomized evidence      
Systematic reviews of paediatric surgical interventions: quantity, coverage and quality. Poster presentation at the 19th Cochrane Colloquium; 2011 Oct 19-22; Madrid, Spain [abstract]      
Systematic reviews of pharmacy practice research: methodologic issues in searching, evaluating, interpreting, and disseminating results      
Systematic reviews of published evidence: miracles or minefields?      
Systematic reviews of randomized controlled trials and observational studies of antiepileptic drugs: is there a systematic bias?      
Systematic reviews of randomized controlled trials and observational studies of antiepileptic drugs. Is there a systematic bias? [abstract]      
Systematic reviews of randomized controlled trials: the need for complete data      
Systematic reviews of test accuracy should search a range of databases to identify primary studies.      
Systematic reviews of trials and other studies      
Systematic reviews on the basis of methodological criteria      
Systematic reviews on tobacco control from Cochrane and the Community Guide: different methods, similar findings      
Systematic reviews reveal unrepresentative evidence for the development of drug formularies for poor and nonwhite populations      
Systematic reviews: some examples      
Systematic reviews: synthesis of best evidence for clinical decisions      
Systematic reviews to support evidence-based psychiatry: What about schizophrenia?      
Systematic reviews - triumph of form over substance?      
Systematic reviews using individual patient data: a map for the minefields?      
Systematic reviews: when is an update an update?      
Systematic reviews with individual patient data meta-analysis to evaluate diagnostic tests. [Review]      
Systematic search for unpublished trials and assessment of publication bias in the reviews of the Drugs and Alcohol Group [abstract]      
Systematic searches for the effectiveness of respite care      
Systematic sense - clinical nonsense [abstract]      
Systematic summaries and dissemination of evidence: the Cochrane Pregnancy and Childbirth Database      
Systematic underestimation of treatment effects as a result of diagnostic test inaccuracy: implications for the interpretation and design of thromboprophylaxis trials      
Systematically missing confounders in individual participant data meta-analysis of observational cohort studies.      
Systematically missing confounders in individual participant data meta-analysis of observational cohort studies      
Systematically reviewing qualitative and quantitative evidence to inform management and policy-making in the health field.      
Systematis reviews to evaluate diagnostic tests [review]      
Systematized nomenclature of medicine clinical terms (SNOMED CT) to represent computed tomography procedures      
Systems for grading the quality of evidence and the strength of recommendations I: critical appraisal of existing approaches.      
Systems for grading the quality of evidence and the strength of recommendations II: pilot study of a new system      
Systems to rate the strength of scientific evidence      
Systems to rate the strength of scientific evidence [abstract]