Race, gender, drug use, and participation in AIDS clinical trials. Lessons from a municipal hospital cohort [see comments]      
Race, medical researcher distrust, perceived harm, and willingness to participate in cardiovascular prevention trials      
Race-specific versus general stamps on African-American women's survey return rates.      
Racial differences in clinical outcomes from metastatic breast cancer: a pooled analysis of CALGB 9342 and 9840 - Cancer and Leukemia Group B      
'Racial' differences in genetic effects for complex diseases      
Racial differences in next-of-kin participation in an ongoing survey of satisfaction with end-of-life care: a study of a study.      
Racial differences in response to therapy for heart failure: analysis of the vasodilator-heart failure trials. Vasodilator-Heart Failure Trial Study Group.      
Racial differences in responses to therapy with interferon in chronic hepatitis C. Consensus Interferon Study Group.      
Racial differences in self-assessed health problems, depressive cognitions, and learned resourcefulness      
Racial differences in testing motivation and psychological distress following pretest education for BRCA1 gene testing.      
Racial variation in treatment preferences and willingness to randomize in the Spine Patient Outcomes Research Trial (SPORT).      
Radiological research in Europe: a bibliometric study      
Radiotherapy for painful bone metastases: an overview of the overviews.      
Radiotherapy in the postoperative treatment of operable cancer of the breast. Part II. A re-examination of Stjernsward's application of the Mantel-Haenszel statistical method. Evaluation of the effect of the radiation on immune response and suggestions for postoperative radiotherapy      
Random allocation or allocation at random? Patients' perspectives of participation in a randomised controlled trial      
Random allocation software for parallel group randomized trials      
Random assignment in clinical trials: issues in planning (Infant Health and Development Program)      
The Random Dialing Survey as a tool for community consultation for research involving the emergency medicine exception from informed consent      
Random digit dialing and directory-based samples in telephone surveys of HIV risk: a comparison from the Australian Study of Health and Relationships.      
Random-effects meta-analyses are not always conservative      
Random-effects meta-analyses should be optimal - not traditional [abstract]      
Random-effects meta-analysis are not always conservative [abstract]      
A random effects model for effect sizes      
Random-effects model for meta-analysis of clinical trials: an update      
Random effects models for combining results from controlled and uncontrolled studies in a meta-analysis      
A random-effects regression model for meta-analysis      
Random effects survival models gave a better understanding of heterogeneity in individual patient data meta-analyses.      
Random versus nonrandom assignment in controlled experiments: do you get the same answer?      
Random versus nonrandom assignment in the evaluation of treatment for cocaine abusers.      
Random versus volunteer selection for a community-based study      
Randomisation and baseline comparisons in clinical trials      
Randomisation in clinical trials.      
Randomisation in trials: do potential trial participants understand it and find it acceptable?      
Randomisation to protect against selection bias in healthcare trials. Oral presentation at the Joint Cochrane and Campbell Colloquium; 2010 Oct 18-22; Keystone, Colorado, USA [abstract]      
Randomised and controlled clinical trials in the Cochrane Hepato-Biliary Group Controlled Trials Register and their inclusion in Cochrane Hepato-Biliary Group systematic reviews. Poster presentation at the Joint Cochrane and Campbell Colloquium; 2010 Oct 18-22; Keystone, Colorado, USA [abstract]      
Randomised and controlled clinical trials published in the German sports medicine journal "Deutsche Zeitschrift fur Sportmedizin" between 1950 and 2004      
Randomised and non-randomised patients in the Bergamo Nephrologic Diabetes Complications Trial (BENEDICT) [abstract]      
Randomised and non-randomised prospective controlled cohort studies in matched-pair design for the long-term therapy of breast cancer patients with a mistletoe preparation (Iscador): a re-analysis.      
A randomised clinical trial of the effect of informed consent on the analgesic activity of placebo and naproxen in cancer pain      
Randomised clinical trials in plastic surgery: survey of output and quality of reporting.      
Randomised clinical trials in the Scandinavian Journal of Rheumatology      
Randomised clinical trials [letter]      
Randomised clinical trials with clinician-preferred treatment.      
Randomised comparison of procedures for obtaining informed consent in clinical trials of treatment for cancer.      
A randomised comparison of the EuroQol and Short Form-36 after stroke. United Kingdom collaborators in the International Stroke Trial.      
A randomised comparison of two clinical trial designs for evaluating alternative managements for heavy menstrual bleeding [abstract]      
Randomised comparisons of medical tests: sometimes invalid, not always efficient      
Randomised consent designs in cancer clinical trials.      
Randomised controlled comparison of the Health Survey Short Form (SF-12) and the Graded Chronic Pain Scale (GCPS) in telephone interviews versus self-administered questionnaires. Are the results equivalent?      
A randomised controlled trial of nurse-managed trial conclusion following early phase cancer trial participation.      
Randomised controlled trial of paper, online and SMS diaries for collecting sexual behaviour information from young people      
Randomised controlled trial of the READER method of critical appraisal in general practice      
A randomised controlled trial to determine the effect on response of including a lottery incentive in health surveys [ISRCTN32203485]      
Randomised controlled trials addressing Australian aboriginal health needs: a systematic review of the literature.      
Randomised controlled trials and publication trends in periodontal research during 1980-2000.      
Randomised controlled trials and quality of journals.      
Randomised controlled trials in a major British journal in the field of learning disability (Journal of Intellectual Disability Research) [abstract]      
Randomised controlled trials in cardiovascular medicine: past achievements, future challenges      
Randomised controlled trials in Irish general practice.      
Randomised controlled trials in overweight children: practicalities and realities.      
Randomised controlled trials in primary care: case study.      
Randomised controlled trials in psychiatry: important but poorly accepted      
Randomised controlled trials - is recruitment more difficult with a placebo arm? [abstract]      
Randomised controlled trials of palliative care - a survey of the views of advanced cancer patients and their relatives.      
Randomised controlled trials relevant to aggressive and violent people, 1955-2000: a survey.      
Randomised inquiry vs conventional questionnaire method in estimating drug usage rates through mail survey. [Technical report]      
Randomised placebo-controlled trials and HIV-infected pregnant women in developing countries. Ethical imperialism or unethical exploitation?      
Randomised studies in general practice: how to integrate the electronic patient record.      
Randomised study of n of 1 trials versus standard practice [see comments] [published erratum appears in BMJ 1996 Jun 1;312(7043):1392]      
Randomised trial of educational visits to enhance use of systematic reviews in 25 obstetric units [see comments]      
Randomised trial of growth hormone in short normal girls.      
A randomised trial of telephone versus postcard prompts to enhance response rate in a phased population-based study about community preferences.      
A randomised trial of the effects of an additional communication strategy on recruitment into a large-scale, multi-centre trial.      
A randomised trial of the effects of an intensive communication strategy on recruitment to a large-scale trial      
Randomised trials comparing chemotherapy regimens for advanced non-small cell lung cancer: biases and evolution over time. [Review]      
Randomised trials, human nature, and reporting guidelines      
Randomised trials in general practice - a New Zealand experience in recruitment.      
Randomised trials in German-language journals      
Randomised trials in surgery: problems and possible solutions      
Randomised trials in the South African Medical Journal, 1948-1997.      
Randomised trials relevant to mental health conducted in low and middle-income countries: a survey.      
Randomised trials relevant to mental health conducted in low and middle-income countries: protocol for a survey of studies published in 1991, 1995 and 2000 and assessment of their relevance.      
Randomization and concealment in surgical trials: a comparison between orthopaedic and non-orthopaedic randomized trials.      
The randomization and stratification of patients to clinical trials      
Randomization-based methods for correcting for treatment changes: examples from the Concorde Trial.      
Randomization by cluster: sample size requirements and analysis      
Randomization by group: a formal analysis      
Randomization by group in studying the effect of drug information in primary care      
Randomization in clinical trials of titrated therapies: unintended consequences of using fixed treatment protocols.      
Randomization in clinical trials through a computerized network: does it improve the data quality? [abstract]      
Randomization in surgical trials      
Randomization in the Canadian National Breast Screening Study: a review for evidence of subversion [see comments]      
Randomization is important in studies with pain outcomes: systematic review of transcutaneous electrical nerve stimulation in acute postoperative pain      
Randomization systems in an international multicentre clinical trial: the CORE Study. GISSI Investigators. [abstract]      
Randomize groups, not individuals: a strategy for improving early childhood programs.      
Randomize, then consent: a strategy for improving patient acceptance of participation in randomized controlled trials.      
Randomized and double-blind studies - demands and reality as demonstrated by two examples of mistletoe research.      
Randomized and non-randomized patients in clinical trials: experiences with comprehensive cohort studies      
Randomized and non-randomized patients in large clinical trials: the case of GISSI [abstract]      
[Randomized and nonrandomized controlled clinical trials in a German surgical journal]      
The randomized clinical trial as a powerful means for understanding treatment efficacy      
The randomized clinical trial: bias in analysis.      
Randomized clinical trial eligibility rates for chemotherapy (CT) and antiangiogenic therapy (AAT) in a population-based cohort of newly diagnosed non-small cell lung cancer (NSCLC) patients [abstract]      
Randomized clinical trials and recent patterns in the use of statins.      
Randomized clinical trials behind Level A recommendations in obstetric practice bulletins: compliance with CONSORT statement      
Randomized clinical trials for cancer screening: rationale and design considerations for imaging tests.      
Randomized clinical trials for psoriasis 1977-2000: the EDEN survey.      
Randomized clinical trials: how will results influence clinical practice in the management of symptomatic and asymptomatic extracranial carotid occlusive disease?      
Randomized clinical trials in HEPATOLOGY: predictors of quality      
Randomized clinical trials in neurosurgery      
Randomized clinical trials in neurosurgery [abstract]      
Randomized clinical trials in oncology stopped early for benefit (RCTSEB) [abstract]      
Randomized clinical trials in oncology: understanding and attitudes predict willingness to participate.      
Randomized clinical trials in single patients during a 2-year period.      
Randomized clinical trials in surgery      
Randomized clinical trials in the Nederlands Tijdschrift voor Geneeskunde      
Randomized clinical trials of cancer treatment--a public opinion survey      
Randomized clinical trials on medical treatment of glaucoma. Are they appropriate to guide clinical practice?      
Randomized clinical trials on medical treatment of glaucoma: are they appropriate to guide clinical practice? [abstract]      
Randomized clinical trials. Perspectives on some recent ideas.      
Randomized clinical trials with added rescue medication: some approaches to their analysis and interpretation      
A randomized comparison of A-CASI and phone interviews to assess STD/HIV-related risk behaviors in teens.      
A randomized comparison of patients' understanding of number needed to treat and other common risk reduction formats      
Randomized consent designs for clinical trials: an update      
Randomized consent designs in randomized controlled trials: systematic literature search.      
The randomized controlled clinical trial in gastroenterology: the Danish contributions from 1970 to 1994.      
Randomized controlled clinical trial. National Eye Institute workshop for ophthalmologists. Ethical aspects of clinical trials.      
Randomized controlled clinical trials in diseases of the liver.      
Randomized, controlled clinical trials in sepsis: has methodological quality improved over time?      
Randomized controlled drug trials on very elderly subjects: descriptive and methodological analysis of trials published between 1990 and 2002 and comparison with trials on adults.      
Randomized, controlled evaluation of a prototype informed consent process for HIV vaccine efficacy trials.      
Randomized controlled studies and the treatment of middle-ear effusions and tonsillar pharyngitis: how random are the studies and what are their limitations?      
A randomized controlled study of reviewer bias against an unconventional therapy      
A randomized controlled trial comparing quantitative informed consent formats      
Randomized controlled trial design in rheumatoid arthritis: the past decade      
The randomized controlled trial gets a middle-aged checkup      
Randomized, controlled trial of an easy-to-read informed consent statement for clinical trial participation: a study of the Eastern Cooperative Oncology Group      
Randomized controlled trial of external peer review of protocols [abstract]      
Randomized controlled trial to determine the effect of press releases from a general medical journal on the quantity and quality of press coverage [abstract]      
A randomized controlled trial to improve the recognition, diagnosis and treatment of major depression in elderly people in general practice: design, first results and feasibility of the West Friesland Study.      
Randomized controlled trials and consensus as a basis for interventions in internal medicine      
Randomized controlled trials conducted in Japan as a comparison with top-ranking countries.      
Randomized controlled trials: do they have external validity for patients with multiple comorbidities?      
Randomized controlled trials for evaluating surgical questions      
Randomized controlled trials in Archives of General Psychiatry (1959-1995): a prevalence study [letter]      
Randomized controlled trials in cancer: improving the quality of their reports will also facilitate better conduct      
Randomized controlled trials in "Chinese Journal of Digestion " - a handsearching of 1981-1998 [abstract]      
Randomized controlled trials in "Chinese Journal of Infectious Diseases" --- a handsearching of 1983-1997 [abstract]      
Randomized controlled trials in cystic fibrosis (1966-1997) categorized by time, design, and intervention      
Randomized controlled trials in neurosurgery - How good are we?      
[Randomized controlled trials in pediatric complementary and alternative medicine: where can they be found?]      
Randomized controlled trials in pediatric complementary and alternative medicine: Where can they be found?      
Randomized controlled trials in pediatric surgery: could we do better? [Review]      
Randomized controlled trials in pediatric urology: room for improvement.      
Randomized controlled trials in Russian urological journals      
Randomized controlled trials in schizophrenia: a critical perspective on the literature.      
Randomized controlled trials in surgery      
Randomized, controlled trials in surgery: perceived barriers and attitudes of Australian colorectal surgeons.      
Randomized controlled trials in the evaluation of antenatal care      
Randomized controlled trials in the Journal of Psychosomatic Research; 1956-1993: a prevalence study      
Randomized controlled trials in the leading Chinese internal medical journals [abstract]      
Randomized controlled trials in the New England Journal of Medicine: specialities involved [abstract]      
Randomized, controlled trials, observational studies, and the hierarchy of research designs [see comments]      
Randomized controlled trials of aprotinin in cardiac surgery: could clinical equipoise have stopped the bleeding?      
Randomized controlled trials of herbal interventions underreport important details of the intervention      
Randomized controlled trials of individualized homeopathy: a state-of- the-art review      
Randomized controlled trials of interventions to prevent sexually transmitted infections: learning from the past to plan for the future      
Randomized controlled trials of socially complex nursing interventions: creating bias and unreliability?      
Randomized controlled trials of treatments for hematologic malignancies: study characteristics and outcomes.      
Randomized controlled trials published in "Chinese Journal of Infectious Diseases" - a handsearching of 1983-1997      
Randomized controlled trials (RCTs) for policy interventions? A review of reviews and meta-regression [abstract]      
Randomized controlled trials relevant to viral hepatitis in the Chinese literature [abstract]      
Randomized controlled trials: the control group dilemma revisited.      
A randomized database study in general practice yielded quality data but patient recruitment in routine consultation was not practical      
A randomized evaluation of early revascularization to treat shock complicating acute myocardial infarction. The (Swiss) Multicenter Trial of Angioplasty for Shock-(S)MASH.      
Randomized experiments versus observational studies? The case of antiretroviral therapy [abstract]      
Randomized patients in IBS research had different disease characteristics compared to eligible and recruited patients      
Randomized phase II designs in cancer clinical trials: current status and future directions.      
Randomized phase II trials (RP2T): selection design or poor man's phase III? [abstract]      
Randomized Phase III controlled trials of therapy in malignant glioma: where are we after 40 years?      
Randomized, placebo-controlled, parallel group versus crossover study designs for the study of dementia in Parkinson's disease.      
The randomized placebo-phase design for clinical trials      
Randomized play-the-winner clinical trials: review and recommendations      
Randomized response methodology in health research      
Randomized surgical clinical trials for treatment of coronary artery disease      
A randomized survey of the preference of gastroenterologists for a Cochrane review versus a traditional narrative review      
A randomized trial about the perceived informativeness of new empirical evidence. Does beta-carotene prevent (cervical) cancer?      
A randomized trial assessing the impact of written information on outpatients' knowledge about and attitude toward randomized clinical trials      
Randomized trial for answers to clinical questions: evaluating a pre-appraised versus a MEDLINE search protocol.      
Randomized trial of $20 versus $50 incentives to increase physician survey response rates      
Randomized trial of 5 dollars versus 10 dollars monetary incentives, envelope size, and candy to increase physician response rates to mailed questionnaires.      
A randomized trial of aspirin and sulfinpyrazone in threatened stroke      
A randomized trial of electronic reminders showed a reduction in the time to respond to postal questionnaires      
Randomized trial of financial incentives and delivery methods for improving response to a mailed questionnaire      
A randomized trial of incentives to improve response rates to a mailed women's health questionnaire      
Randomized trial of informed consent and recruitment for clinical trials in the immediate preoperative period      
A randomized trial of laypersons' perception of the benefit of osteoporosis therapy: number needed to treat versus postponement of hip fracture      
Randomized trial of leaving messages on telephone answering machines for control recruitment in an epidemiologic study      
A randomized trial of mail vs. telephone invitation to a community-based cardiovascular health awareness program for older family practice patients [ISRCTN61739603]      
A randomized trial of mailed questionnaires versus telephone interviews: response patterns in a survey.      
A randomized trial of opinion leader endorsement in a survey of orthopaedic surgeons: effect on primary response rates.      
Randomized trial of presenting absolute v. relative risk reduction in the elicitation of patient values for heart disease prevention with conjoint analysis      
A randomized trial of recruitment methods for older African American men in the Prostate, Lung, Colorectal and Ovarian (PLCO) Cancer Screening Trial      
Randomized trial of the effect of research design and publication characteristics on physician change.      
A randomized trial of the impact of certified mail on response rate to a physician survey, and a cost-effectiveness analysis.      
A randomized trial of the impact of telephone and recorded delivery reminders on the response rate to research questionnaires.      
A randomized trial of the preference of gastroenterologists for a Cochrane review versus traditional reviews [abstract]      
A randomized trial of the total design method for the postal follow-up of women in a cancer prevention trial.      
A randomized trial of three videos that differ in the framing of information about mammography in women 40 to 49 years old.      
Randomized trial of use of a monetary incentive and a reminder card to increase the response rate to a mailed health survey.      
A randomized trial on the effect of statistical reviewing and checklist on manuscript quality [abstract]      
Randomized trial showed requesting medical records with a survey produced a more representative sample than requesting separately      
Randomized trial vs. observational study of acupuncture for migraine found that patient characteristics differed but outcomes were similar.      
Randomized trials and collaborative research in epilepsy surgery: future directions.      
Randomized trials and public health interventions: time to end the scientific double standard. [Review]      
Randomized trials, generalizability, and meta-analysis: graphical insights for binary outcomes.      
Randomized trials in vulnerable populations      
Randomized trials of neurosurgical interventions: a systematic appraisal.      
Randomized trials of neurosurgical interventions: a systematic approach [abstract]      
Randomized trials of primary prevention of cardiovascular disease in women. An investigator's view      
Randomized trials of public health interventions reported in the Canadian Journal of Public Health: 1966 to 1996      
Randomized trials published in some Chinese journals: how many are randomized?      
Randomized trials stopped early for benefit: a systematic review.      
Randomized trials stopped early for harm in HIV/AIDS: a systematic survey.      
Randomized trials versus observational studies in adolescent pregnancy prevention      
Randomized trials versus observational studies in adolescent pregnancy prevention      
Randomized trials versus observational studies in adolescent pregnancy prevention      
Randomized trials versus observational studies in adolescent pregnancy prevention [abstract]      
Randomized trials vs. observational studies? The case of postmenopausal hormone therapy and coronary heart disease [abstract]      
Randomized trials with concurrent economic evaluations reported unrepresentatively large clinical effect sizes.      
Randomized versus historical controls for clinical trials      
Randomized versus nonrandomized studies of alcohol treatment: participants, methodological features and posttreatment functioning.      
Randomized vs. historical clinical trials. Are the benefits worth the cost?      
A rank-based sample size method for multiple outcomes in clinical trials      
Rank-Minimization for balanced assignment of subjects in clinical trials      
The ranking of Italy's publications in the biomedical field: an objective evaluation      
Rapid and responsive health technology assessment: the development and evaluation process in the South and West region of England      
Rapid assessments provide acceptable quality advice.      
[Rapid assessments"--quick evaluation of medical technology] [German]      
Rapid health technology assessments compared with full systematic reviews [abstract]      
Rapid HTA-related products in INAHTA agencies [abstract]      
Rapid report on methodology: does loss to follow-up in a cohort study bias associations between early life factors and lifestyle-related health outcomes?      
Rapid reviews versus full systematic reviews: an inventory of current methods and practice in health technology assessment.      
A rapid systematic review versus a Cochrane systematic review: an empirical comparison. Poster presentation at the 19th Cochrane Colloquium; 2011 Oct 19-22; Madrid, Spain [abstract]      
Rapid versus full systematic reviews: validity in clinical practice?      
Rate of full publication and time to full publication of observational studies [abstract]      
The rate of publication of randomized trials is near-exponential (2.5 times increase/decade with >1.5 million computer listed trials). A new strategy is required to fulfil the Cochrane Challenge. Poster presentation at the 19th Cochrane Colloquium; 2011 Oct 19-22; Madrid, Spain [abstract]      
Rate of return for closed versus open-ended questions in a mail questionnaire survey of industrial organizations.      
Rate of self-referencing in the journal Radiologia: an indicator of quality      
The rate of usage of electroconvulsive therapy in the city of Edinburgh, 1993-2005      
Rater bias in a blinded randomized placebo-controlled psychiatry trial      
Rates of hyperkalemia after publication of the Randomized Aldactone Evaluation Study      
Rates of inclusion of teenagers and young adults in England into National Cancer Research Network clinical trials: report from the National Cancer Research Institute (NCRI) Teenage and Young Adult Clinical Studies Development Group.      
Rates of recruitment from systematic and opportunistic methods: preliminary results from the DDELPHI [abstract]      
Rating health information on the Internet: navigating to knowledge or to Babel?      
Rating intervals: an experiment in peer review      
Rating Pakistani medical journals using the principles of citation analysis      
Rating the quality of evidence for clinical practice guidelines      
Rating the raters: assessing the quality of Hamilton rating scale for depression clinical interviews in two industry-sponsored clinical drug trials.      
Rating the strength of scientific evidence: relevance for quality improvement programs.      
Ratio measures in leading medical journals: structured review of accessibility of underlying absolute risks.      
Ratio measures in leading medical journals: where are the underlying absolute risks [abstract]      
Ratio of geometric means to analyze continuous outcomes in meta-analysis: comparison to mean differences and ratio of (arithmetic) means using empiric data and simulation. Poster presentation at the Joint Cochrane and Campbell Colloquium; 2010 Oct 18-22; Keystone, Colorado, USA [abstract]      
Ratio of means as an alternative to mean differences for analyzing continuous outcome variables in meta-analysis: a simulation study [abstract]      
Ratio of means for analyzing continuous outcomes in meta-analysis performed as well as mean difference methods      
The ratio of means method as an alternative to mean differences for analyzing continuous outcome variables in meta-analysis: a simulation study.      
Rational selection of a control arm for randomised trials in metastatic renal cell carcinoma. [Review]      
The rational use of therapeutic drugs in the 21st century. Important lessons from cumulative meta-analyses of randomized control trials      
[Rationale and results: medical students participating in researches for production of best evidence]      
Rationale and standards for the systematic review of qualitative literature in health services research      
Rationale for systematic reviews      
RCT variants and hybrid study designs for assessing the effectiveness of health care interventions: pros and cons [abstract]      
RCTs and observational studies to determine the effect of prophylaxis in severe haemophilia.      
RCTs and the federal government      
RCTs und systematic reviews in der Pflegeliteratur: Ein Vergleich zwischen deutscher und internationaler Pflegeforschung      
RCTs with new antiepileptic drugs in children: a systematic review of monotherapy studies and their methodology      
Re-analysis of meta-analyses in Cochrane reviews using robust statistical methods. Poster presentation at the 19th Cochrane Colloquium; 2011 Oct 19-22; Madrid, Spain [abstract]      
Re: Breast-conserving surgery with or without radiotherapy: pooled-analysis for risks of ipsilateral breast tumor recurrence and mortality      
Re: "Causality inference in observational vs. experimental studies: an empirical comparison" [letter]      
Re: "Causality inference in observational vs. experimental studies: an empirical comparison". The authors reply [letter]      
Re: "Comments on a meta-analysis of the relation between dietary calcium intake and blood pressure" [letter; comment]      
Re: "Comparison of effect estimates from a meta-analysis of summary data from published studies and from a meta-analysis using individual patient data for ovarian cancer studies" [letter; comment]      
Re: "Comparison of effect estimates from a meta-analysis of summary data from published studies and from a meta-analysis using individual patient data for ovarian cancer studies". The authors reply. [letter; comment]      
Re-design of the NIH Complementary and Alternative Medicine for Urological Symptoms Trial based on results from another NIH-supported trial [abstract]      
Re-designing and updating the Cochrane Highly Sensitive Search Strategy for identifying reports of trials in MEDLINE [abstract]      
A re-evaluation of the 'quantile approximation method' for random effects meta-analysis      
Re: "Randomized vs. historical clinical trials: are the benefits worth the cost?" [letter]      
Re: "Randomized vs. historical clinical trials: are the benefits worth the cost?" [letter]      
Re: "Randomized vs. historical clinical trials: are the benefits worth the cost?" The author replies [letter]      
Reaching Asian Americans: sampling strategies and incentives.      
Reactions of participants to the results of a randomised controlled trial: exploratory study.      
Reactions to treatment debriefing among the participants of a placebo controlled trial.      
Read before you cite!      
Readability analysis of health, physical education, recreation and dance journal articles.      
Readability and prestige in scientific journals      
Readability estimates for commonly used health-related quality of life surveys      
The readability of health-care literature      
Readability of informed consent forms for research in a Veterans Administration medical center.      
Readability of online health information: implications for health literacy      
The readability of pediatric patient education materials on the World Wide Web      
Readability standards for informed-consent forms as compared with actual readability [comment]      
Readers' evaluation of effect of peer review and editing on quality of articles in the Nederlands Tijdschrift voor Geneeskunde      
[Reader's evaluation of effect of peer review and editing on quality of original articles in the Nederlands Tijdschrift voor Geneeskunde (Dutch Journal of Medicine)]      
Readiness for HIV vaccine trials: changes in willingness and knowledge among high-risk populations in the HIV network for prevention trials. The HIVNET Vaccine Preparedness Study Protocol Team.      
Readiness of high-risk populations in the HIV Network for Prevention Trials to participate in HIV vaccine efficacy trials in the United States.      
Readiness to participate in psychiatric research.      
Reading between the ads: assessing the quality of health articles in top magazines [abstract]      
Reading from paper versus reading from screen      
Reading research critically. II. An introduction to appraisal: assessing the evidence      
The real impact of randomized clinical trials in heart valve surgery.      
Real-time information-seeking behavior of residency physicians.      
Real-world replication of randomized controlled trial results for carotid endarterectomy.      
A realistic assessment of methods for extracting gene/protein interactions from free text      
Realities of trial registration: the Glaxo Wellcome experience      
Realizing the meta-analytic potential - a survey of experts      
Reallocating resources: how should the National Institute for Health and Clinical Excellence guide disinvestment efforts in the National Health Service?      
Reamed versus nonreamed intramedullary nailing of lower extremity long bone fractures: a systematic overview and meta-analysis [comment]      
Reanalysis of a multireported trial on home uterine activity monitoring      
Reanalysis of systematic reviews: the case of invasive strategies for acute coronary syndromes.      
Reappraisal of the nested case-control design in diagnostic research: updating the STARD guideline [abstract]      
Reappraising mail survey response rates.      
Reasons for accepting or declining to participate in randomized clinical trials for cancer therapy      
Reasons for declining participation in a prospective randomized trial to determine the optimum mode of delivery of the preterm breech      
Reasons for entry into and understanding of HIV/AIDS clinical trials: a preliminary study      
Reasons for high retention in pediatric clinical trials: comparison of participant and staff responses in the Correction of Myopia Evaluation Trial.      
Reasons for non-entry in randomized clinical trials for breast cancer: a single institutional study.      
Reasons for non-participation in a clinical trial involving re-randomization [abstract]      
Reasons for nonenrollment in a clinical trial of acute lung injury.      
Reasons for nonresponse in a web-based survey of alcohol involvement among first-year college students.      
Reasons for participating in randomised controlled trials: conditional altruism and considerations for self      
Reasons for participation in pain research: Can they indicate a lack of informed consent?      
Reasons for pediatrician nonadherence to asthma guidelines.      
Reasons for poor accrual in palliative radiation therapy research studies.      
[Reasons for rejection of articles for publication in the Nederlands Tijdschrift voor Geneeskunde in 1990]      
Reasons for the loss of sensitivity and specificity of methodologic MeSH terms and textwords in MEDLINE      
Reasons or excuses for avoiding meta-analysis in forest plots.      
Reasons or excuses for avoiding meta-analysis in forest plots. Poster presentation at the 16th Cochrane Colloquium: Evidence in the era of globalisation; 2008 Oct 3-7; Freiburg, Germany [abstract]      
Reasons reviewers reject and accept manuscripts: the strengths and weaknesses in medical education reports      
[Reasons why patients do or do not participate in clinical trials; a systematic review of the literature]      
Reassessing quality of life instruments in the evaluation of new drugs      
A reassessment of the effects of appeals on response to mail surveys.      
Recall bias in a prospective cohort study of acute time-varying exposures: example from the herpetic eye disease study      
Recall bias in a study of cardiovascular disease and hypertension in pregnancy [abstract]      
Recall bias in disease status associated with perceived exposure to hazardous substances      
Recall bias in epidemiologic studies [see comments]      
Recall of drug utilization depends on subtle structural questionnaire characteristics      
Receiving a summary of the results of a trial: qualitative study of participants' views.      
Recency affects reporting accuracy of children's dietary recalls      
Recent changes in quality in Japanese clinical trials.      
Recent developments in meta-analysis.      
Recent methodological contributions to clinical trials      
Recent reversal of trends in hormone therapy use in a European population.      
Recent trends in National Institutes of Health funding of surgical research      
Recent UK evidence of the lag between effectiveness and cost-effectiveness evidence of new drugs.      
Recombinant DNase in cystic fibrosis: a protocol for targeted introduction through n-of-1 trials.      
Recommendations by Cochrane Review Groups for assessment of the risk of bias in studies.      
Recommendations for a core set of outcome measures for future phase III clinical trials in knee, hip, and hand osteoarthritis. Consensus development at OMERACT III.      
Recommendations for reporting cost-effectiveness analyses. Panel on Cost-Effectiveness in Health and Medicine.      
Recommendations for reporting randomized controlled trials of herbal interventions: Explanation and elaboration.      
Recommendations for systematic review and statistical synthesis in standard-setting: an evaluation of manganese review documents [abstract]      
Recommendations for the application of bone density measurement. What can you believe?      
Reconcilable differences: gleaning insight from conflicting scientific studies      
Reconstruction of the unbalanced groups sample sizes from percentage or mean [abstract]      
Reconstructive remembering of the scientific literature      
Recovery of inter-block information in cross-over trials      
Recruiting a diverse group of middle school girls into the trial of activity for adolescent girls      
Recruiting adolescents into genetic studies of smoking behavior.      
Recruiting African American women to participate in hereditary breast cancer research.      
Recruiting ahead of target: What worked in the REEACT Trial? [abstract]      
Recruiting and retaining breast cancer survivors into a randomized controlled exercise trial: the Yale Exercise and Survivorship Study.      
Recruiting and retaining GPs and patients in intervention studies: the DEPS-GP project as a case study      
Recruiting and retaining medical patients in trials of complex interventions: practical experience of challenges and solutions in three multi-centre trials [abstract]      
Recruiting and retaining pregnant women from a community health center at the US-Mexico border for the Mothers and Youth Access Clinical Trial      
Recruiting blacks to the Adventist Health Study: are follow-up phone calls an effective intervention for increasing response rates? [abstract]      
Recruiting blacks to the Adventist health study: Do follow-up phone calls increase response rates?      
Recruiting children into cancer trials--role of the United Kingdom Children's Cancer Study Group (UKCCSG). [Review]      
Recruiting elderly African-American women in cancer prevention and control studies: a multifaceted approach and its effectiveness      
Recruiting family physicians and patients for a clinical trial: lessons learned.      
Recruiting for a randomized controlled trial from an ethnically diverse population: lessons from the Maternal Infection and Preterm Labor Study.      
Recruiting healthy participants for a large clinical trial      
Recruiting heart failure patients to clinical trials: the experience of a randomised controlled trial in primary care      
Recruiting high risk women into a breast cancer health promotion trial.      
Recruiting Hispanic women for a population-based study: validity of surname search and characteristics of nonparticipants      
Recruiting into palliative care trials: lessons learnt from a feasibility study      
Recruiting medical groups for research: relationships, reputation, requirements, rewards, reciprocity, resolution, and respect.      
Recruiting minorities into clinical trials: toward a participant-friendly system.      
Recruiting minorities where they receive care: Institutional barriers to cancer clinical trials recruitment in a safety-net hospital      
Recruiting minority cancer patients into cancer clinical trials: a pilot project involving the Eastern Co-operative Oncology Group and the National Medical Association      
Recruiting minority men who have sex with men for HIV research: results from a 4-city campaign      
Recruiting older adults for clinical trials      
Recruiting older people to a randomised controlled dietary intervention trial - how hard can it be?      
Recruiting participants for community-based research: the Diabetic Retinopathy Awareness Program      
Recruiting participants for interventions to prevent the onset of depressive disorders: possible ways to increase participation rates      
Recruiting participants with peripheral arterial disease for clinical trials: experience from the Study to Improve Leg Circulation (SILC)      
Recruiting patients cost-effectively by mail [abstract]      
Recruiting patients to clinical trials: lessons from studies of growth hormone treatment in renal failure      
Recruiting patients to clinical trials: lessons from studies of growth hormone treatment in renal failure [letter]      
Recruiting patients to medical research: double blind randomised trial of "opt-in" versus "opt-out" strategies.      
Recruiting patients to randomized trials in primary care: principles and case study.      
Recruiting patients to trials in primary care: lessons learnt from two randomised controlled trials of low back pain.      
Recruiting pregnant smokers for a placebo-randomised controlled trial of nicotine replacement therapy      
Recruiting seniors with chronic low back pain for a randomized controlled trial of a self-management program.      
Recruiting small manufacturing worksites that employ multiethnic, low-wage workforces into a cancer prevention research trial.      
Recruiting subjects for acute stroke trials: a meta-analysis.      
Recruiting subjects for an antimicrobial agent clinical trial      
Recruiting survey respondents to mailed surveys: controlled trials of incentives and prompts.      
Recruiting volunteers for a multisite phase I/II HIV preventive vaccine trial in Thailand.      
Recruitment and accrual of women in a placebo-controlled clinical pilot study on manual therapy.      
Recruitment and accrual of women in a randomized controlled trial of spinal manipulation.      
Recruitment and enrollment of elderly persons with depression into a clinical drug trial      
Recruitment and enrollment of rural and urban medically underserved elderly into a randomized trial of telemedicine case management for diabetes care.      
Recruitment and implementation strategies in randomised controlled trials of acupuncture and herbal medicine in women's health.      
Recruitment and participation in clinical trials: socio-demographic, rural/urban, and health care access predictors.      
The recruitment and participation of Hispanic women in nursing research: a learning process.      
Recruitment and retention challenges in breast cancer survivorship research: results from a multisite, randomized intervention trial in women with early stage breast cancer      
Recruitment and retention in a multicentre randomised controlled trial in Bell's palsy: a case study.      
Recruitment and retention of African American patients for clinical research: an exploration of response rates in an urban psychiatric hospital      
Recruitment and retention of families in clinical trials with longitudinal designs.      
Recruitment and retention of Latino adolescents to a research study: lessons learned from a randomized clinical trial.      
Recruitment and retention of low-income minority women in a behavioral intervention to reduce smoking, depression, and intimate partner violence during pregnancy.      
Recruitment and retention of minority women in cancer screening, prevention, and treatment trials      
Recruitment and retention of stroke survivors: The CAReS experience.      
Recruitment and retention of women for clinical leiomyoma trials      
Recruitment and retention strategies and methods in the HEALTHY study      
Recruitment and retention strategies in a behaviorally-focused in-home intervention trial [abstract]      
Recruitment and screening experience for a clinical trial involving tear concentrations of a new drug      
Recruitment barriers in a randomized controlled trial from the physicians' perspective: a postal survey      
Recruitment bias resulted in poorer overall health status in a community-based control group.      
Recruitment challenges and strategies in a home-based telehealth study      
Recruitment difficulties in a home telecare trial.      
Recruitment, enrollment and retention of young black men for HIV prevention research: experiences from The 411 for Safe Text Project      
Recruitment experience in clinical trials: literature summary and annotated bibliography      
Recruitment experience in the African American Study of Kidney Disease and Hypertension (AASK) Pilot Study      
Recruitment experience in the Aspirin Myocardial Infarction Study.      
Recruitment experience in the full-scale phase of the Modification of Diet in Renal Disease Study.      
Recruitment for a clinical trial of drug treatment for benign prostatic hyperplasia.      
Recruitment for a guided self-help binge eating trial: potential lessons for implementing programs in everyday practice settings      
Recruitment for an adolescent bulimia nervosa treatment study.      
Recruitment for complementary/alternative medicine trials: who participates after breast cancer.      
Recruitment for controlled clinical trials: literature summary and annotated bibliography      
Recruitment for phase I of the trials of hypertension prevention.      
Recruitment in a primary care trial on smoking cessation      
Recruitment in AIDS clinical trials: investigation of sociodemographic and psychosocial factors affecting participation in clinical research      
Recruitment into trials of rare conditions - experiences from the STOP GAP Trial [abstract]      
Recruitment issues when primary care population clusters are used in randomised controlled clinical trials: climbing mountains or pushing boulders uphill?      
Recruitment lessons learned from a randomised trial of treatments for overactive bladder (OAB) in women aged 65 and over [abstract]      
Recruitment methods and costs for a randomized, placebo-controlled trial of chiropractic care for lumbar spinal stenosis: a single-site pilot study      
Recruitment methods employed in the prostate, lung, colorectal, and ovarian cancer screening trial      
Recruitment methods employed in the Prostate, Lung, Colorectal and Ovarian Cancer Screening Trial [abstract]      
Recruitment methods for intervention research in bereavement-related depression. Five years' experience.      
Recruitment methods for screening programmes: the price of high compliance.      
Recruitment methods in Alzheimer's disease research: general practice versus population based screening by mail      
Recruitment of a clinical trial of botanical therapy for benign prostatic hyperplasia [abstract]      
Recruitment of a large-scale clinical study via the Internet. Collaborative Longitudinal Evaluation in Keratoconus (CLEK) Study. [abstract]      
Recruitment of a racially and ethnically diverse sample into a physical activity efficacy trial      
Recruitment of African Americans in AIDS clinical trials: some recommended strategies      
The recruitment of African-Americans to cancer prevention and control studies      
Recruitment of African Americans with chronic renal insufficiency into a multicenter clinical trial: the african american study of kidney disease and hypertension.      
Recruitment of American Indians and Alaska Natives into clinical trials      
Recruitment of breast cancer survivors into a 12-month supervised exercise intervention is feasible      
Recruitment of ethnic minority patients to a cardiac rehabilitation trial: the Birmingham Rehabilitation Uptake Maximisation (BRUM) study [ISRCTN72884263]      
Recruitment of general practitioners and patients in a sore throat study.      
Recruitment of general practitioners into a cluster randomised controlled trial: the IMPLEMENT trial experience [abstract]      
Recruitment of infants with sickle cell anemia to a Phase III trial: data from the BABY HUG Study      
Recruitment of Medicaid and dual-enrolled Medicare beneficiaries with diabetes mellitus into a randomized controlled trial.      
Recruitment of minority and underserved populations in the United States: the Centers for Population Health and Health Disparities experience      
The recruitment of minority patients to cancer clinical trials [abstract]      
Recruitment of minority women and their main sexual partners in an HIV/STI prevention trial.      
Recruitment of newly diagnosed ovarian cancer patients proved challenging in a multicentre biobanking study      
The recruitment of normal healthy volunteers: a review of the literature on the use of financial incentives. [Review]      
Recruitment of participants in the Lung Health Study, I: Description of methods.      
Recruitment of participants in the Lung Health Study, II: Assessment of recruiting strategies      
Recruitment of patients for a clinical trial: factors on the physician side and reasons on the patient side.      
Recruitment of patients into an internet-based clinical trials database: the experience of OncoLink and the National Colorectal Cancer Research Alliance.[erratum appears in J Clin Oncol. 2005 Jan 1;23(1):248]      
Recruitment of patients to cooperative group clinical trials.      
Recruitment of patients with lung cancer into a randomised clinical trial: experience at two centres. On behalf of the Big Lung Trial Steering Committee      
Recruitment of postmenopausal women in the PEPI Trial. Postmenopausal Estrogen/Progestin Interventions      
The recruitment of research participants: a review.      
Recruitment of rural physicians in a diabetes internet intervention study: overcoming challenges and barriers      
Recruitment of the elderly into a pharmacologic prevention trial: the Ginkgo Evaluation of Memory Study experience.      
Recruitment of women into trials.      
Recruitment of young women to a trial of chlamydia screening - as easy as it sounds?      
Recruitment rates and factors affecting recruitment for a clinical trial of a putative anti-psychotic agent in the treatment of acute schizophrenia      
Recruitment strategies for a clinical trial of community-based water therapy for osteoarthritis.      
Recruitment strategies for a large international breast cancer prevention trial [abstract]      
Recruitment strategies for a lung cancer chemoprevention trial involving ex-smokers      
Recruitment strategies for a possible tamoxifen trial.      
[Recruitment strategies for a randomized clinical study]      
Recruitment strategies for cervical cancer prevention study.      
Recruitment strategies for minority participation: challenges and cost lessons from the POWER interview.      
Recruitment strategies in a cluster randomized trial--cost implications      
Recruitment strategies in the Prostate, Lung, Colorectal and Ovarian (PLCO) Cancer Screening Trial: the first six years      
Recruitment strategies in the studies of left ventricular dysfunction (SOLVD): strategies for screening and enrollment in two concurrent but separate trials. The SOLVD Investigators      
Recruitment strategies in the women's health trial: feasibility study in minority populations. WHT:FSMP Investigators Group. Women's Health Trial:Feasibility Study in Minority Populations      
Recruitment strategies. Pharmacists' participation in an evaluation project to dispense emergency contraception      
Recruitment strategies targeted to the end of a trial [abstract]      
Recruitment strategies used in the medical therapy of prostatic symptoms (MTOPS) trial [abstract]      
Recruitment strategy effectiveness for a cryotherapy intervention for a venous leg ulcer prevention study      
A recruitment strategy for cluster randomized trials in secondary care settings.      
Recruitment to a physical activity intervention study in women at increased risk of breast cancer      
Recruitment to a prospective breast conservation trial: why are so few patients randomised?      
Recruitment to a randomized web-based nutritional intervention trial: characteristics of participants compared to non-participants      
Recruitment to a trial of self-care skills training in long-term health conditions: analysis of the impact of patient attitudes and preferences.      
Recruitment to a trial of tuberculosis preventive therapy from a voluntary HIV testing centre in Lusaka: relevance to implementation      
Recruitment to breast cancer clinical trials [abstract]      
Recruitment to multicentre trials - lessons from UKCTOCS: descriptive study      
Recruitment to multicentre trials: the impact of external influences      
Recruitment to publicly funded trials - are surgical trials really different?      
Recruitment to randomised trials: strategies for trial enrollment and participation study. The STEPS study.      
Recruitment to research studies in maternity hospitals: an example from the Early Births Study      
Recurrence risks in randomized trials of laparoscopic versus open inguinal hernia repair: to pool or not to pool (this is not the question).      
Recurrent miscarriage (REMIS) study: how should data from women who do not become pregnant be handled?      
Recursive cumulative meta-analysis: a diagnostic for the evolution of total randomized evidence from group and individual patient data      
Redefining and redesigning hospital discharge to enhance patient care: a randomized controlled study      
Redefining health technology assessment in Canada: diversification of products and contextualization of findings.      
Redesigning a large-scale clinical trial in response to negative external trial results: the CAMUS study of phytotherapy for benign prostatic hyperplasia      
Redesigning the Cochrane highly sensitive search strategy for identifying RCTs in MEDLINE using statistical analysis to improve sensitivity and precision [abstract]      
Reduced HIV risk-taking and low HIV incidence after enrollment and risk-reduction counseling in a sexually transmitted disease prevention trial in Nairobi, Kenya      
Reducing bias and increasing power by imputing missing standard deviations for continuous outcomes in systematic reviews      
Reducing the incidence of infection after caesarean section: implications of prophylaxis with antibiotics for hospital resources [see comments]      
Reducing the influence of anecdotal reasoning on people's health care decisions: is a picture worth a thousand statistics?      
Reducing workload in systematic review preparation using automated citation classification.      
Redundancy, disaggregation, and the integrity of medical research      
Redundancy of conventional articular response variables used in juvenile chronic arthritis clinical trials.      
Redundant publication: a reminder      
Redundant publication in biomedical sciences: scientific misconduct or necessity?      
Redundant publications in scientific ophthalmologic journals: the tip of the iceberg?      
Redundant publications in the orthopedic literature      
Redundant surgical publications: tip of the iceberg?      
Reemerging infectious diseases: a comprehensive investigation of the adequacy of medical literature coverage [abstract]      
Reevaluating the need for concern regarding noncoverage bias in landline surveys      
A reevaluation of the risk for venous thromboembolism with the use of oral contraceptives and hormone replacement therapy      
Refereeing and the single author.      
Reference accuracy in articles accepted for publication in the Archives of Physical Medicine and Rehabilitation      
Reference accuracy in Critical Care Medicine.      
Reference accuracy in Intensive Care Medicine.      
Reference accuracy in Intensive Care Medicine: Editor's note.      
Reference accuracy in peer-reviewed journals: a systematic review [abstract]      
Reference accuracy in the dermatologic literature      
Reference accuracy in the emergency medicine literature      
Reference accuracy in the Journal of Hand Surgery      
Reference and quotation accuracy in the major and minor infectious disease journals [abstract]      
Reference bias in reports of drug trials      
Reference bias in reports of drug trials      
Reference citation accuracy in the Journal of Anesthesia.      
Reference citations in radiology: accuracy and appropriateness of use in two major journals      
Reference inaccuracy: are articles cited without being read?      
Reference lists in medical journals--language and length      
Reference test errors bias the evaluation of diagnostic tests for ischemic heart disease      
References inaccuracies in Revista Espanola de Reumatologia: a retrospective study of 1996.      
Referencing and quotation accuracy in four manual therapy journals.      
Referring physicians are a major reason why patients do not enroll in office-based clinical trials [abstract]      
The reflection of karst in the online mirror: a survey within scientific databases, 1960-2005      
Regional differences in incidence and management of stroke - is there any difference between Western and Japanese guidelines on antiplatelet therapy?      
Regional differences in multinational clinical trials: anticipating chance variation      
Regional differences in the characteristics and treatment of patients participating in an international heart failure trial. The Assessment of Treatment with Lisinopril and Survival (ATLAS) Trial Investigators.      
Register-based data indicated nonparticipation bias in a health study among aging people      
Register of Empirical Methodological Studies      
The register of randomized controlled trials in perinatal medicine [abstract]      
Registered nurses' application of evidence-based practice: a national survey      
Registered post achieved a higher response rate than normal mail - a randomized controlled trial.      
Registering clinical trials      
Registering clinical trials      
Registration completeness and changes of registered data from ClinicalTrials.gov for clinical trials published in ICJME journals after September 2005 deadline for mandatory trial registration [abstract]      
Registries and registration of clinical trials.      
Registry of multicenter clinical trials: 14th and 15th report 1992-1993      
Registry of prospective clinical trials--fifth report      
Registry of prospective clinical trials second report      
Registry of randomized controlled trials in transplantation.      
The regression effect as a neglected source of bias in nonrandomized intervention trials and systematic reviews of observational studies.      
A regression method for analysing ordinal data from intervention trials      
Regression methods for meta-analysis of diagnostic test data      
Regulatory perspectives on data monitoring.      
Regulatory process effects clinical trial registration in Spain      
Rehabilitation and crossover design: an evaluation on MEDLINE and EMBASE [abstract]      
Rehabilitation or medication? Formulating questions for systematic reviews of treatment for aphasia due to stroke      
Rehabilitation research from a non-English speaking country published in peer-reviewed English journals--the Japanese experience. [Review]      
Relapse rates following cessation of chemotherapy during complete remission of acute lymphocytic leukemia.      
Relating treatment benefit to underlying risk In meta-analysis      
Relation between agendas of the research community and the research consumer      
Relation between burden of disease and randomised evidence in sub-Saharan Africa: survey of research.      
Relation between experimental and non-experimental study designs. HB vaccines: a case study      
The relation between heterogeneity in diagnostic accuracy, prevalence and patient characteristics: an illustration with individual patient data meta-analysis (IPDMA). Oral presentation at the 17th Cochrane Colloquium; 2009 Oct 11-14, Singapore [abstract]      
The relation between methods and recommendations in clinical practice guidelines for hypertension and hyperlipidemia.      
Relation between online "hit counts" and subsequent citations: prospective study of research papers in the BMJ      
Relation between prepublication release of clinical trial results and the practice of carotid endarterectomy.      
Relation between randomized controlled trials published in leading general medical journals and the global burden of disease.      
The relation between socioeconomic status and academic achievement      
The relation between systematic reviews and practice guidelines      
Relation between the global burden of disease and randomized clinical trials conducted in Latin America published in the five leading medical journals.      
The relation between treatment benefit and underlying risk in meta-analysis      
Relation of funding source, methodological quality, and study outcome in bipolar disorder drug reports [abstract]      
Relation of study quality, concordance, take home message, funding, and impact in studies of influenza vaccines: systematic review      
Relations between effectiveness of a diagnostic test, prevalence of the disease, and percentages of uninterpretable results. An example in the diagnosis of jaundice      
Relationship between adherence to evidence-based pharmacotherapy and long-term mortality after acute myocardial infarction.      
The relationship between basic biomedical research and the design and analysis of clinical trials.      
The relationship between clinical trials and clinical practice: the risks of underestimating its complexity      
Relationship between depression severity entry criteria and antidepressant clinical trial outcomes.      
The relationship between descriptive and valuational quality-of-life measures in patients with intermittent claudication.      
Relationship between drug company funding and outcomes of clinical psychiatric research      
The relationship between efficacy and methodology in studies investigating EMDR treatment of PTSD.      
A relationship between ethics of clinical trials and therapeutic advances in cancer [abstract]      
Relationship between event rates and treatment effects in clinical site differences within multicenter trials: an example from primary Pneumocystis carinii prophylaxis      
Relationship between funding source and conclusion among nutrition-related scientific articles.      
The relationship between health-state utilities and the SF-12 in a general population.      
The relationship between journal use in a medical library and citation use      
Relationship between manner of presentation of illustrations during the peer review process and the number of evaluative responses [abstract]      
The relationship between methodological quality and conclusions in reviews of spinal manipulation [see comments]      
The relationship between methodological trial quality and the effects of impregnated central venous catheters.      
Relationship between methodological trial quality and the effects of selective digestive decontamination on pneumonia and mortality in critically ill patients      
Relationship between numeracy and breast cancer patients' estimates of adjuvant treatment benefit [abstract]      
Relationship between quality and editorial leadership of biomedical research journals: a comparative study of Italian and UK journals.      
Relationship between quality of life instruments, health state utilities, and willingness to pay in patients with asthma.      
Relationship between quality of reports of antidepressant randomized controlled trials and treatment estimates: systematic review, meta-analysis, and meta-regression analysis.      
The relationship between quality of research and citation frequency.      
Relationship between rate of patient enrollment and quality of clinical center performance in two multicenter trials in ophthalmology      
The relationship between study design, results, and reporting of randomized clinical trials of HIV infection      
Relationship between total mortality and cholesterol reduction as found by meta-regression analysis of randomized cholesterol-lowering trials      
Relationship of blood pressure to coronary and stroke morbidity and mortality in clinical trials and epidemiological studies      
The relationship of previous training and experience of journal peer reviewers to subsequent review quality.      
Relationship of study participation to health-related behaviors.      
Relationships between academic institutions and industry in the life sciences - an industry survey      
Relationships between authors of clinical practice guidelines and the pharmaceutical industry      
Relationships between the pharmaceutical industry and patients' organisations.      
Relationships fade with time: a meta-analysis of temporal trends in publication in ecology and evolution      
Relationships of gender and career motivation to medical faculty members' production of academic publications.      
Relative bias in diet history measurements: a quality control technique for dietary intervention trials.      
Relative citation impact of various study designs in the health sciences.      
Relative currency of secondary sources in the biosciences literature with particular reference to a comparison of North American and European literature: a preliminary study      
Relative effectiveness assessment of listed drugs (REAL): a new method for an early comparison of the effectiveness of approved health technologies      
Relative effectiveness of personalized and form covering letters in initial and follow-up mail surveys.      
Relative responsiveness of health-related quality of life instruments for patients with gastroesophageal reflux disease [abstract]      
Relative risk and odds ratio data are still portrayed with inappropriate scales in the medical literature      
Relative role of meta-analysis and randomized controlled trials in the assessment of medical therapies      
Relative survival and the estimation of net survival: elements for further discussion      
Relative validity of a food frequency questionnaire used to assess food intake during a dietary intervention study      
Relatively absolute (one size may not fit all) [abstract]      
Release of data from an ongoing randomized clinical trial for sample size adjustment or planning      
Releasing interim results from a randomised clinical trial: an example from the QUARTZ trial [abstract]      
Relevance of Cochrane reviews to clinicians and consumers in India: a pilot study [abstract]      
Relevance of health technology assessments undertaken by FINOHTA [abstract]      
The relevance of subgroup-specific treatment effects: the Studies Of Left Ventricular Dysfunction (SOLVD) revisited.      
The relevance of terminologies for automatic abstracting      
Reliability and validity of an internet-based questionnaire measuring lifetime physical activity      
Reliability and validity of comprehensive health status measures in children: The Child Health Questionnaire in relation to the Health Utilities Index.      
The reliability and validity of estimating unclearly reported blinding status in randomized clinical trials. Poster presentation at the Joint Cochrane and Campbell Colloquium; 2010 Oct 18-22; Keystone, Colorado, USA [abstract]      
Reliability and validity of French, German, Italian, Dutch, and UK English translations of the Medical Outcomes Study HIV Health Survey.      
Reliability and validity of functional health status and health-related quality of life questionnaires in children with recurrent acute otitis media.      
Reliability and validity of self-reported male balding patterns for use in epidemiologic studies.      
Reliability and validity of the Past Year Total Physical Activity Questionnaire      
Reliability and validity of the PORPUS, a combined psychometric and utility-based quality-of-life instrument for prostate cancer.      
The reliability and validity of the SF-8 with a conflict-affected population in northern Uganda      
Reliability and validity of the short form of the child health questionnaire for parents (CHQ-PF28) in large random school based and general population samples.      
Reliability and validity testing of an evidence-based medicine OSCE station      
Reliability of 3 types of research methodologies in obstetrics [abstract]      
Reliability of a structured method of selecting abstracts for a plastic surgical scientific meeting.      
Reliability of Chalmers' scale to assess quality in meta-analyses on pharmacological treatments for osteoporosis      
Reliability of Chalmers' Scale to assess quality in meta-analysis [abstract]      
Reliability of clinical guideline development using mail-only versus in-person expert panels      
Reliability of disclosure forms of authors' contributions      
Reliability of editors' subjective quality ratings of peer reviews of manuscripts      
Reliability of eight-year diet recall in cancer cases and controls      
Reliability of health data collected by means of self-administered questionnaire [abstract]      
Reliability of internet- versus telephone-administered questionnaires in a diverse sample of smokers      
Reliability of journal impact factor rankings.      
Reliability of Katz's Activities of Daily Living Scale when used in telephone interviews      
The reliability of meta-analytic review      
The reliability of peer review for manuscript and grant submissions: a cross-disciplinary investigation.      
The reliability of peer reviews of papers on information systems.      
Reliability of public-oriented health care resources in the World Wide Web: the case of the home management of fever in children.      
Reliability of random digit dialing calls to enumerate an adult female population.      
Reliability of recalled physical activity, cigarette smoking, and alcohol consumption      
The reliability of reliability      
The reliability of self-reported alcohol consumption in the remote past      
Reliability of self-reported ancestry among siblings: implications for genetic association studies      
Reliability of self-reported environmental exposure data in an epidemiological study of Parkinson's disease [abstract]      
Reliability of self-reported information on skin cancer among elderly patients with squamous cell carcinoma      
Reliability of short form-36 in an Internet- and a pen-and-paper version      
Reliability of symptom reports by healthy volunteers treated with placebo over several time periods      
The reliability of telephone interviews compared with in-person interviews using memory aids      
Reliability of the PEDro scale for rating quality of randomized controlled trials      
Reliability of two instruments for critical assessment of economic evaluations.      
Reliability of World Health Organization's Quality of Life-BREF versus Short Form 36 Health Survey questionnaires for assessment of quality of life in patients with coronary artery disease      
Relying on surveys to understand abortion behavior: some cautionary evidence      
REMARK Profile Study: reporting of participant flow and events in prognostic studies of tumour markers [abstract]      
Remembering and interpreting informed consent: a qualitative study of drug trial participants.      
Repeated attempts using different strategies are important for timely contact with study participants      
Repeated significance tests for clinical trials with a fixed number of patients and variable follow-up      
Replying to email with structured responses      
Report bias in drug research      
Report from a workshop: archives for data and documents from completed clinical trials      
Report from the panel on the Case for Registers of Clinical Trials at the Eighth Annual Meeting of the Society for Clinical Trials      
A report of handsearching Chinese neurological journals [abstract]      
Report of randomized controlled trials identified in the Chinese literature vs MEDLINE      
Report of the ad hoc committee on design of an experiment on double-blind refereeing.      
Report of the ad hoc committee on double-blind refereeing.      
Report on certain enteric fever inoculation statistics      
Reported barriers to eating more fruit and vegetables before and after participation in a randomized controlled trial: a qualitative study.      
Reported effects in randomized controlled trials were compared with those of nonrandomized trials in cholecystectomy      
Reported methodologic quality and discrepancies between large and small randomized trials in meta-analyses      
Reported methodological quality of split-mouth studies.      
Reported outcomes in major cardiovascular clinical trials funded by for-profit and not-for-profit organizations: 2000-2005.      
Reported participation in case-control studies: changes over time.      
Reported quality of randomized controlled trials of physiotherapy interventions has improved over time      
Reported response rates to mailed physician questionnaires      
Reported use of data monitoring committees in the main published reports of randomized controlled trials: a cross-sectional study.      
The reported validity and reliability of methods for evaluating continuing medical education: a systematic review      
Reporting accuracy among mothers of malformed and nonmalformed infants.      
Reporting adverse events in randomized controlled trials.      
Reporting and analysis of open-label extension studies of anti-epileptic drugs      
The reporting and analysis of research findings for within-subject designs: methodological issues for meta-analysis      
Reporting and concordance of methodologic criteria between abstracts and articles in diagnostic test studies      
Reporting and dissemination of industry versus non-profit sponsored economic analyses of six novel drugs used in oncology      
Reporting and interpretation of randomized controlled trials with statistically nonsignificant results for primary outcomes      
Reporting and interpretation of SF-36 outcomes in randomised trials: systematic review      
Reporting and methodologic quality of Cochrane Neonatal review group systematic reviews      
Reporting and presenting information retrieval processes: the need for optimizing common practice in health technology assessment      
Reporting and representation of race/ethnicity in published randomized trials      
Reporting and selection bias in case-control studies of congenital malformations.      
Reporting animal use in scientific papers.      
Reporting, appraising, and integrating data on genotype prevalence and gene-disease associations. [Review]      
Reporting approval by research ethics committees and subjects' consent in human resuscitation research.      
Reporting attrition in randomised controlled trials. [Review]      
Reporting Bayesian analyses of clinical trials      
Reporting bias and mode of interview in a study of adverse pregnancy outcomes and water consumption      
Reporting bias and other biases affecting systematic reviews and meta-analyses: a methodological commentary.      
Reporting bias in clinical trials [abstract]      
Reporting bias in drug trials submitted to the Food and Drug Administration: review of publication and presentation.      
Reporting bias in medical research - a narrative review      
Reporting bias of primary outcomes: stereotactic radiosurgery for arteriovenous malformations [abstract]      
Reporting biases and publication strategy for off-label indications: a potent mix [abstract]      
Reporting clinical trials from the viewpoint of a patient's choice of treatment      
Reporting clinical trials in general surgical journals.      
Reporting controlled trials      
Reporting data on homeopathic treatments (RedHot): a supplement to CONSORT.      
Reporting data on homeopathic treatments (RedHot): a supplement to CONSORT.      
Reporting data on homeopathic treatments (RedHot): a supplement to CONSORT.      
Reporting ethics committee approval and patient consent by study design in five general medical journals      
Reporting guidelines for surveys: limited guidance and little adherence [abstract]      
Reporting guidelines for systematic review protocols. Poster presentation at the 19th Cochrane Colloquium; 2011 Oct 19-22; Madrid, Spain [abstract]      
Reporting implementation in randomized trials: proposed additions to the CONsolidated Standards Of Reporting Trials Statement      
Reporting in randomized clinical trials improved after adoption of the CONSORT statement.      
Reporting inclusion of minorities in clinical trials [abstract]      
Reporting methods in studies developing prognostic models in cancer: a review      
Reporting methods of adverse events in randomized controlled trials [abstract]      
Reporting methods of blinding in randomized trials assessing nonpharmacological treatments.      
Reporting nonpharmacologic interventions in randomized trials [abstract]      
Reporting number needed to treat and absolute risk reduction in randomized controlled trials      
Reporting observational studies      
Reporting of acute urinary retention in BPH treatment trials: importance of patient follow-up after discontinuation and case definitions.      
Reporting of adverse drug reactions in randomised controlled trials - a systematic survey      
Reporting of adverse effects in clinical trials should be improved: lessons from acute postoperative pain.      
Reporting of adverse events in systematic reviews [abstract]      
Reporting of adverse events in systematic reviews can be improved: survey results.      
Reporting of age data in clinical trials of arthritis. Deficiencies and solutions      
Reporting of allocation methods in clinical trials [abstract]      
Reporting of article retractions in bibliographic databases and online journals      
Reporting of clinical details in randomized controlled trials of acupuncture for the treatment of migraine/headaches and nausea/vomiting. [Review]      
Reporting of clinical trials: a review of research funders' guidelines.      
Reporting of cluster randomised trials in behaviour change research - room for improvement?      
Reporting of conflicts of interest in Cochrane reviews of trials of pharmacological treatments. Poster presentation at the 19th Cochrane Colloquium; 2011 Oct 19-22; Madrid, Spain [abstract]      
Reporting of conflicts of interest in guidelines of preventive and therapeutic interventions      
Reporting of conflicts of interest in meta-analyses of trials of pharmacological treatments      
Reporting of demographics, methodology, and ethical procedures in journals in pediatric and child psychology      
Reporting of drug tolerance in randomized clinical trials: when data conflict with authors' conclusions.      
Reporting of effect direction and size in abstracts of systematic reviews. Oral presentation at the 19th Cochrane Colloquium; 2011 Oct 19-22; Madrid, Spain [abstract]      
Reporting of eligibility criteria of participants in randomized trials: comparison between study protocols and journal articles. Poster presentation at the 17th Cochrane Colloquium; 2009 Oct 11-14, Singapore [abstract]      
Reporting of eligibility criteria of randomized trials: comparison between trial protocols and journal articles [abstract]      
Reporting of ethical approval and informed consent in clinical research published in leading anesthesia journals      
Reporting of ethical committee approval and patient consent by study design in 5 general medical journals [abstract]      
Reporting of ethical protection in recent oral and maxillofacial surgery research involving human subjects      
Reporting of gender-related information in clinical trials of drug therapy for myocardial infarction      
Reporting of harm in randomized controlled trials evaluating pharmacological and nonpharmacological treatments [abstract]      
Reporting of harm in randomized controlled trials evaluating stents for percutaneous coronary intervention      
Reporting of harm in randomized, controlled trials of nonpharmacologic treatment for rheumatic disease.      
Reporting of harm in randomized controlled trials published in the urological literature      
Reporting of harms in randomized trials of mental health interventions [abstract]      
Reporting of human genome epidemiology (HuGE) association studies: an empirical assessment.      
Reporting of informed consent and ethics committee approval in Chinese medical journals: comparison of 2000-2003 with 1996-1999 [abstract]      
Reporting of informed consent and ethics committee approval in clinical trials      
Reporting of measures of accuracy in systematic reviews of diagnostic literature      
Reporting of meta-analyses and systematic reviews of screening tests in China. Poster presentation at the 19th Cochrane Colloquium; 2011 Oct 19-22; Madrid, Spain [abstract]      
Reporting of methodologic information on trial registries for quality assessment: a study of trial records retrieved from the WHO search portal      
The reporting of methodological factors in randomized controlled trials and the association with a journal policy to promote adherence to the Consolidated Standards of Reporting Trials (CONSORT) checklist      
Reporting of methodological issues and generalisability of organisational and patient-related assessments in INAHTA HTAs [abstract]      
The reporting of methods for reducing and detecting bias: an example from the WHO Misoprostol Third Stage of Labour equivalence randomised controlled trial      
Reporting of minimum clinically important differences in surgical trials      
Reporting of missing data and protocol deviation in the description of intention to treat is inconsistent in randomized controlled trials. Poster presentation at the Joint Cochrane and Campbell Colloquium; 2010 Oct 18-22; Keystone, Colorado, USA [abstract]      
Reporting of non-communicable disease research in low- and middle-income countries: a pilot bibliometric analysis      
Reporting of non-pharmacological treatment interventions: an extension of the CONSORT statement [abstract]      
Reporting of noninferiority and equivalence randomized trials: an extension of the CONSORT statement. [erratum appears in JAMA. 2006 Oct 18;296(15):1842]      
Reporting of noninferiority trials was incomplete in trial registries      
Reporting of numerical and statistical differences in abstracts: improving but not optimal.      
The reporting of observational research studies in dermatology journals: a literature-based study      
Reporting of outcomes in arthritis trials measured on ordinal and interval scales is inadequate in relation to meta-analysis      
Reporting of outcomes in orthopaedic randomized trials: does blinding of outcome assessors matter?      
Reporting of outcomes in systematic reviews: comparison of protocols and published systematic reviews [abstract]      
Reporting of participant compliance in randomized controlled trials of nutrition supplements during pregnancy      
Reporting of participant flow diagrams in published reports of randomized trials      
Reporting of participant flow diagrams in published reports of randomized trials. Poster presentation at the 19th Cochrane Colloquium; 2011 Oct 19-22; Madrid, Spain [abstract]      
Reporting of patient-reported outcomes in recent trials in rheumatoid arthritis: a systematic literature review      
Reporting of prognostic markers: current problems and development of guidelines for evidence-based practice in the future      
Reporting of prognostic studies of tumour markers: a review of published articles in relation to REMARK guidelines      
Reporting of radiographic methods in randomised controlled trials assessing structural outcomes in rheumatoid arthritis.      
Reporting of randomized clinical trial descriptors and use of structured abstracts      
Reporting of randomized clinical trial descriptors and use of structured abstracts [abstract]      
The reporting of randomized clinical trials using a surgical intervention is in need of immediate improvement: a systematic review.      
Reporting of randomized controlled trials in Hodgkin lymphoma in biomedical journals.      
Reporting of randomized controlled trials in occupational therapy and speech therapy: evaluation using an expansion of the CONSORT Statement      
The reporting of randomized controlled trials in prosthodontics.      
Reporting of rejection after renal transplantation in large immunosuppressive trials: biopsy-proven, clinical, presumed, or treated rejection?      
Reporting of research and health issues relevant to resource-poor countries in high-impact medical journals.      
Reporting of safety data from randomised trials      
Reporting of safety results in published reports of randomized controlled trials      
Reporting of sample size calculation in randomised controlled trials: review      
The reporting of statistics in medical educational studies: an observational study      
Reporting of study outcomes in comparative drug trials: evidence from proposals submitted to a research ethics committee and corresponding full publications [abstract]      
Reporting of subgroup analyses in the New England Journal of Medicine [abstract]      
Reporting of the generation and concealment of the allocation schedule in randomised trials in the BMJ (1948-1997)      
Reporting of the role of the expert searcher in Cochrane reviews.      
Reporting of the role of the expert searcher in Cochrane reviews [abstract]      
Reporting of treatment allocation methods and determinants of sample size in multicenter trials [abstract]      
Reporting of trials presented in conference abstracts needs to be improved.      
Reporting of unintended events in an intensive care unit: comparison between staff and observer.      
The reporting of unsuccessful cases.      
Reporting on assignment methods in clinical trials      
Reporting on blinding in trial protocols and corresponding publications was often inadequate but rarely contradictory      
Reporting on covariate adjustment in randomised controlled trials before and after revision of the 2001 CONSORT statement: a literature review      
Reporting on health-related quality of life in Cochrane reviews - a challenge for authors? [abstract]      
Reporting on methods in clinical trials      
Reporting on methods of subgroup analysis in clinical trials: a survey of four scientific journals.      
Reporting on post-menopausal hormone therapy: an analysis of gynaecologists' web pages      
Reporting on quality of life in randomised controlled trials: bibliographic study      
Reporting on quality of life in RCTs. Authors are creating database of quality of life questionnaires      
Reporting on quality of life in RCTs. CONSORT guidelines should be expanded      
Reporting on randomised surgical trials from German as compared with English and American surgeons.      
Reporting on reliability and validity of outcome measures in medical rehabilitation research      
Reporting on statistical methods to adjust for confounding: a cross-sectional survey.[summary for patients in Ann Intern Med. 2002 Jan 15;136(2):I47; PMID: 11928736]      
Reporting on the quality of randomised controlled trials in prehospital care [abstract]      
Reporting outcomes of oesophageal cancer surgery: standards for future practice [abstract]      
Reporting participation in case-control studies.      
Reporting participation in epidemiologic studies: a survey of practice.      
Reporting performance of prognostic models in cancer: a review      
Reporting practices and APA editorial policies regarding statistical significance and effect size      
Reporting primary data in scientific articles: Technical solutions to a perennial problem      
Reporting QALYs: How precise can we be? [abstract]      
Reporting quality and information consistency of randomized, controlled trials presented as abstracts at the American Urological Association annual meetings      
The reporting quality of abstracts of randomised controlled trials submitted to the ICS meeting in Heidelberg.      
The reporting quality of meta-analyses improves: a random sampling study.      
Reporting quality of randomised controlled trials in physical therapy interventions on children with cerebral palsy [abstract]      
The reporting quality of randomised controlled trials in surgery: a systematic review.      
Reporting quality of randomized controlled trials of botanical medicines [abstract]      
Reporting quality of randomized controlled trials on gastric cancer treated with traditional Chinese medicine published in Chinese journals. Poster presentation at the 19th Cochrane Colloquium; 2011 Oct 19-22; Madrid, Spain [abstract]      
[Reporting quality of randomized controlled trials on laparoscopic surgery for treating colorectal disease in three SCI indexed journals]      
Reporting quality of randomized controlled trials on laparoscopic surgery for treating colorectal disease in three SCI indexed journals      
Reporting quality of randomized trials in the diet and exercise literature for weight loss      
Reporting random controlled trials of herbal medicines.      
Reporting randomized, controlled trials of herbal interventions: an elaborated CONSORT statement.      
Reporting randomized, controlled trials: where quality of reporting may be improved.      
REporting recommendations for tumor MARKer prognostic studies (REMARK).      
REporting recommendations for tumour MARKer prognostic studies (REMARK).      
Reporting results of cancer treatment      
Reporting science and conflicts of interest in the lay press.      
Reporting standards and research strategies for controlled trials: agenda for the editor      
Reporting the Number Needed to Treat (NNT): a systematic review of randomized controlled trials where the outcome is time to an event [abstract]      
Reporting the recruitment process in clinical trials: who are these patients and how did they get there?      
Reporting the study populations of clinical trials Clear transmission or static on the line?      
Reporting, updating, and correcting systematic reviews of the effects of health care      
Reports from the Swedish Council on Technology Assessment in Health Care (SBU). Evidence for health care technology assessment: a guide to searching the literature and interpreting the evidence      
[Reports in the Dutch newspapers prompted by articles from medical scientific journals].      
Reports of clinical trials should begin and end with up-to-date systematic reviews of other relevant evidence: a status report.      
Reports of controlled trials in EMBASE: an important contribution to the Cochrane Controlled Trials Register [abstract]      
Reports of hyperkalemia after publication of RALES - a pharmacovigilance study.      
Reports of randomized trials in acute stroke, 1955 to 1995. What proportions were commercially sponsored?      
Reports of stroke trials: is it worth searching for papers published in languages other than English? The Cochrane Stroke Group      
Representation of African-Americans, Hispanics, and whites in National Cancer Institute cancer treatment trials      
Representation of Asian Americans in clinical cancer trials      
Representation of blacks, women, and the very elderly (aged > or = 80) in 28 major randomized clinical trials.      
Representation of elderly persons and women in published randomized trials of acute coronary syndromes.      
Representation of international authorship across prominent journals in the field of mental retardation      
Representation of older adults, women and ethnic minorities in published randomized trials of drug therapy for type 2 diabetes. Poster presentation at the 17th Cochrane Colloquium; 2009 Oct 11-14, Singapore [abstract]      
Representation of older patients in cancer treatment trials      
Representation of South Asian people in randomised clinical trials: analysis of trials' data      
Representation of the elderly, women, and minorities in heart failure clinical trials. [Review]      
Representations of heart failure in Internet patient information      
Representativeness of clinical trial participants: the Hemodialysis Study [abstract]      
The representativeness of mail questionnaires as a function or sponsorship, return postage, and time of response.      
Representativeness of trial populations: an example from a trial of adenotonsillectomy in children.      
Reprint - preferred reporting items for systematic reviews and meta-analyses: the PRISMA statement      
Reprints, whence they come and whither they should go.      
Reproducibility of peer review in clinical neuroscience. Is agreement between reviewers any greater than would be expected by chance alone?      
Reproducibility of reported in utero exposure to tobacco smoke      
Reproducibility of systematic literature reviews on food, nutrition, physical activity and endometrial cancer.      
Reproducibility of systematic literature reviews on food, nutrition, physical activity and endometrial cancer [abstract]      
Reproducibility of the STARD checklist: an instrument to assess the quality of reporting of diagnostic accuracy studies.      
Reproducibility of the STARD checklist: an instrument to assess the quality of reporting of diagnostic accuracy studies [abstract]      
Reproducible research: biomedical researchers' willingness to share information to enable others to reproduce their results [abstract]      
[The request for consent in clinical research: a randomized study in healthy subjects].      
The requirement for prior consent to participate on survey response rates: a population-based survey in Grampian      
The research abstract: worth getting it right.      
[Research activities of junior physicians].      
Research activities on schizophrenia in 17 non-English speaking countries: a MEDLINE survey.      
[Research activity and research quality of German gastroenterologists reflected by citation indices]      
A research agenda for hand therapy.      
A research agenda for therapeutic recreation revisited.      
Research and cumulation of knowledge in physical therapy.      
Research and ethics following a natural disaster: from the public's point of view      
A research appraisal checklist for evaluating nursing research reports      
Research assistants' perspective of clinical trials: results of a focus group      
Research-based practice: some problems illustrated by the discussion of evidence concerning the use of a pressure-relieving device in nursing and midwifery.      
Research by regional psychiatrists, 1978-84      
A research checklist in education      
Research citation analysis of nursing academics in Canada: identifying success indicators      
Research consent forms: continued unreadability and increasing length.      
Research data closer to expectation than compatible with random sampling.      
Research design and statistical methods in Chinese medical journals      
Research design features and patient characteristics associated with the outcome of antidepressant clinical trials.      
Research design of published diagnostic experiment papers in laboratory medicine [abstract]      
Research does not indicate future trends in global health.      
Research funding.      
Research governance impediments to clinical trials: a retrospective survey.      
Research implications from Cochrane reviews - what happens to them? [abstract]      
[Research in Copenhagen hospitals--a bibliometric evaluation (see comments)]      
Research in emergency situations: with or without relatives' consent.      
Research in health sciences library and information science: a quantitative analysis      
Research in the 1980s: world trends in physiotherapy research.      
Research information in nurses' clinical decision-making: what is useful?      
[Research into communication and health. A Spanish and international perspective through bibliometric analysis]      
Research into depressive disorder in later life: who is doing what? A literature search from 1998-2001.      
Research issues for improving treatment of U.S. Hispanics with persistent mental disorders.      
Research knowledge among parents of children participating in a randomized clinical trial.      
Research knowledge among the participants in the Treatment for Adolescents With Depression Study (TADS).      
Research methodology search filters: are they effective for locating research for evidence-based veterinary medicine in PubMed?      
Research methods for obtaining primary evidence      
Research misconduct. [Review]      
A research note on the impact of class-of-mail on response rates to mailed questionnaires.      
Research note. Unpublished social work research: systematic replication of a recent meta-analysis of published intervention effectiveness research      
[Research of epidemiological and psychosocial aspects of mental health: a bibliometric analysis]      
The Research on Adverse Drug Events and Reports (RADAR) evaluation of the quality of reports to the FDA's MedWatch system for oncology related adverse drug reactions (ADRs): extensive improvements are needed [abstract]      
Research on ageing in Germany. [Review]      
Research on ethics in nursing care for older people: a literature review      
Research on health inequalities in Latin America and the Caribbean: bibliometric analysis (1971-2000) and descriptive content analysis (1971-1995)      
Research on informed consent: investigator-developed versus focus group-developed consent documents, a VA cooperative study.      
Research on social and environmental accounting in Southern European Countries      
Research on the value of medical library services: does it make an impact in the health care literature?      
Research or re-search? Why we should read old and foreign literature      
Research output and collaboration patterns in the production of health research [abstract]      
[Research planning II: the influence of public opinion and group discussion on choice of research priorities]      
Research presented at AMTC: subsequent publication in indexed journals.      
Research priorities and concerns of plastic surgical nurses.      
Research priorities and recommendations for dietary assessment methodology. First International Conference on Dietary Assessment Methods.      
Research priorities for all phases of postanesthesia nursing: a survey by ASPAN.      
Research priorities for burn nursing: patient, nurse, and burn prevention education.      
Research priorities for burn nursing: rehabilitation, discharge planning, and follow-up care.      
Research priorities for critical care nursing: a study by the American Association of Critical-Care Nurses.      
Research priorities for gerontological social work: researcher and practitioner perspectives.      
Research priorities for nursing and midwifery in Southern Ireland.      
Research priorities for parenting and child health: a Delphi study      
Research priorities for primary care mental health: a Delphi exercise.      
Research priorities for the care of the veteran patient.      
Research priorities for the nursing of children and their families: a Delphi study.      
Research priorities in critical care medicine in the UK.      
Research priorities in mental health, part 1: an evaluation of the current research effort against the criteria of disease burden and health system costs.      
Research priorities in mental health. Part 2: an evaluation of the current research effort against stakeholders' priorities.      
Research priorities in primary care. A report from the CSO's primary care implementation committee.      
Research priorities in school nursing: a Delphi process.      
Research priorities in vascular nursing.      
Research priorities of adult intensive care nurses in 20 European countries: a Delphi study      
Research priorities of Korean oncology nurses.      
Research priorities of oncology nurses in the Republic of Ireland.      
Research priorities of VA nurses: a Delphi study.      
Research productivity in the areas of child abuse and domestic violence      
[Research proposals submitted to the Dutch Investigative Medicine Fund; evaluation of the scientific quality by the Council for Scientific Research (NWO)]      
The research questions and methodological adequacy of clinical studies of the voice and larynx published in Brazilian and international journals      
Research recruitment through US central cancer registries: balancing privacy and scientific issues      
Research reports on treatments for bipolar disorder: preliminary assessment of methodological quality.      
Research results have expiration dates: ensuring timely systematic reviews      
Research results presented at scientific meetings: to publish or not?      
[Research results should be freely accessible!-- Case reports demonstrate obstacles to contact with drug industry].      
[The research situation in abdominal sonography in the gastroenterology departments of university hospitals in the Federal Republic of Germany]. [German]      
Research staff turnover and participant adherence in the Women's Health Initiative      
Research synthesis and dissemination as a bridge to knowledge management: the Cochrane Collaboration      
Research synthesis. Coding and conjectures      
Research to meet the needs of the NHS: a review of published NIHR HTA clinical trials [abstract]      
Research trends in the American Journal of Epidemiology      
Research trends in the journal Hormones and Behavior (1987-2000).      
Research use in clinical practice - extent and patterns among nurses one and three years postgraduation      
Research utilization and attitudes towards research among learning disability nurses in Northern Ireland.      
Research utilization and clinical nurse educators: a systematic review      
Research utilization in nursing practice - a pilot study.      
Research values and priorities rated by psychiatric patients.      
Research with families facing cancer: the challenges of accrual and retention.      
Research with newborn participants: doing the right research and doing it right.      
Research without consent: community perspectives from the Community VOICES Study.      
Researchers' e-journal use and information seeking behaviour      
Researching complementary and alternative treatments--the gatekeepers are not at home.      
Researching homelessness and access to healthcare      
Researching the mental health needs of hard-to-reach groups: managing multiple sources of evidence      
Resident research projects: frequency of presentation and publication in a national forum      
Residential mobility of children and the potential for control selection bias [abstract]      
Residual confounding: a criterion for assessing quality of randomized trials [abstract]      
Resilience research and policy/practice discourse in health, social, behavioral, and environmental sciences over the last ten years      
Resolution, accuracy and the retention of significant digits      
Resolving conflicting clinical trials: guidelines for meta-analysis      
Resolving discrepancies among studies: the influence of dose on effect size      
Resolving discrepancies between a meta-analysis and a subsequent large controlled trial      
Resource costing for multinational neurologic clinical trials: methods and results      
[Resources and methods to identify diagnostic studies]      
Resources to improve accessibility of systematic review evidence for decision-makers: a systematic scoping review. Oral presentation at the Joint Cochrane and Campbell Colloquium; 2010 Oct 18-22; Keystone, Colorado, USA [abstract]      
Respiratory adverse event profiles in cystic fibrosis placebo subjects in short- and long-term inhaled therapy trials.      
Respiratory questionnaires in occupational studies: their use in multilingual workforces on the Witwatersrand.      
Respiratory system. Bibliometric analysis of the scientific production published by Mexican authors in 1996.      
Response and non-response to postal questionnaire follow-up in a clinical trial - a qualitative study of the patient's perspective.      
Response from the World Wide Web to a systematic review protocol for interventions for chronic fatigue syndrome and/or myalgic encephalomyelitis [abstract]      
Response rate according to title and length of questionnaire.      
Response rate accuracy in oncology trials: reasons for interobserver variability. Groupe Francais d'Immunotherapie of the Federation Nationale des Centres de Lutte Contre le Cancer      
Response rate and completeness of questionnaires: a randomized study of Internet versus paper-and-pencil versions      
A response rate experiment using mail questionnaires.      
Response rate or time to progression as predictors of survival in trials of metastatic colorectal cancer or non-small-cell lung cancer: a meta-analysis      
Response rate to mail questionnaires with a return deadline.      
Response rate to mailed epidemiologic questionnaires: a population-based randomized trial of variations in design and mailing routines.      
[Response rates and non-response bias in a health-related mailed survey]. [Japanese]      
Response rates and perceived questionnaire length in mail surveys.      
Response rates and representativeness: a lottery incentive improves physician survey return rates.      
Response rates in a case-control study: effect of disclosure of biologic sample collection in the initial contact letter.      
Response rates of Victorian general practitioners to a mailed survey on miscarriage: randomised trial of a prize and two forms of introduction to the research.      
Response rates to a mailed survey of a representative sample of cancer patients randomly drawn from the Pennsylvania Cancer Registry: a randomized trial of incentive and length effects      
Response rates to a mailed survey targeting childhood cancer survivors: a comparison of conditional versus unconditional incentives.      
Response rates to a questionnaire 26 years after baseline examination with minimal interim participant contact and baseline differences between respondents and nonrespondents      
Response rates to mail surveys published in medical journals      
Response rates to six recruitment mailing formats and two messages about a nutrition program for women 50-79 years old      
Response rates to surveys with self-addressed, stamped envelopes versus a self-addressed label.      
Response rates with different distribution methods and reward, and reproducibility of a quantitative food frequency questionnaire.      
Response speeds, functions, and predictability in mail surveys.      
Response to commentary of Zucker and Yusuf      
Response to Corrao et al.: Improving efficacy of PubMed clinical queries for retrieving scientifically strong studies on treatment.      
Response to Dr. Blumenstein's Letter [letter]      
Response to Glanville et al.: How to identify randomized controlled trials in MEDLINE: ten years on      
Response to mail surveys: effect of a request to explain refusal to participate. The ARIC Study Investigators.      
Response to postal questionnaire: the effects of enquiry about earnings.      
Responses and toxic deaths in phase I clinical trials.      
Responses by four Local Research Ethics Committees to submitted proposals [see comments]      
Responses to anonymous questionnaires concerning sexual behavior: a method to examine potential biases.      
Responses to personal and form letters in mail surveys.      
Responsiveness of 5 preference-based measures of health-related quality of life in cataract [abstract]      
The responsiveness of generic quality of life instruments in rheumatic diseases. A systematic review of randomized controlled trials.      
Responsiveness of the SF-36 and the Health Assessment Questionnaire Disability Index in a systemic sclerosis clinical trial.      
Responsiveness to change in health-related quality of life in a randomized clinical trial: a comparison of the Prostate Cancer Specific Quality of Life Instrument (PROSQOLI) with analogous scales from the EORTC QLQ-C30 and a trial specific module. European Organization for Research and Treatment of Cancer      
Restricted randomization designs in clinical trials      
Restrictive eligibility limits access to newer therapies in non-small-cell lung cancer: the implications of Eastern Cooperative Oncology Group 4599      
Results from clinical trials: how should they influence other ongoing clinical studies? [abstract]      
Results of a breast-cancer-surgery trial compared with observational data from routine practice      
The results of a MEDLINE search. The accessibility of research on the effectiveness of acupuncture II      
Results of a prospective study to keep guidelines current [abstract]      
Results of a questionnaire survey among Chinese students on knowledge of and attitudes about HIV/AIDS [letter]      
Results of a randomized controlled trial of carotid endarterectomy for asymptomatic carotid stenosis. Mayo Asymptomatic Carotid Endarterectomy Study Group.      
Results of an intervention study to improve communication about randomised clinical trials of cancer therapy.      
The results of clinical trials in stroke rehabilitation research [comment]      
Results of diagnostic accuracy studies are not always validated.      
The results of direct and indirect treatment comparisons in meta-analysis of randomized controlled trials.      
Results of reviewing MEDLINE records without abstracts      
Results of the PRIMER 1 randomized study comparing p values (P), p values plus 95% confidence intervals (P+CI), vs. p values plus 95% confidence intervals plus confidence levels (P+CI+CL) for optimizing physician interpretation of published clinical research [abstract]      
Results of the Two-County trial of mammography screening are not compatible with contemporaneous official Swedish breast cancer statistics.      
Results of use of corticotropin (ACTH) in treatment of retrolental fibroplasia      
Results, rhetoric, and randomized trials: the case of donepezil      
Retailing research: Increasing the role of evidence in clinical services for childbirth      
Retaining ethnic minority parents in a preventive intervention: the quality of group process.      
Retaining hard-to-reach women in HIV prevention and vaccine trials: Project ACHIEVE      
Retaining women in a prenatal care randomized controlled trial in Canada: implications for program planning.      
Retaining young people in a longitudinal sexual health survey: a trial of strategies to maintain participation      
Retention and attendance of women enrolled inn a large prospective study of HIV in the US      
Retention in a breast cancer risk information trial: motivations of a population-based sample of women.      
Retention of participants in the women's health initiative [abstract]      
Retention of survivors of acute lymphoblastic leukemia in a longitudinal study of bone mineral density.      
Retention of under-represented minorities in drug abuse treatment studies      
Retention of women enrolled in a prospective study of human immunodeficiency virus infection: impact of race, unstable housing, and use of human immunodeficiency virus therapy      
Retention rates in placebo- and nonplacebo-controlled clinical trials of schizophrenia      
Retention rates of antiepileptic drugs in controlled trials      
Retention strategies and predictors of attrition in an urban pediatric asthma study      
Rethinking pragmatic randomised controlled trials: introducing the "cohort multiple randomised controlled trial" design      
Rethinking trials of antibiotics for acute respiratory infections: taking account of recruitment exclusion of the most ill      
Retraction of articles: peer-review and quality control.      
Retraction policies of high-impact biomedical journals      
Retractions in the research literature: misconduct or mistakes?      
Retractions in the research literature: misconduct or mistakes? [abstract]      
Retractions in the scientific literature: do authors deliberately commit research fraud?      
Retractions in the scientific literature: is the incidence of research fraud increasing?      
Retractions, press releases and newspaper coverage      
Retrieval bias in the German dental literature. Poster presentation at the 17th Cochrane Colloquium; 2009 Oct 11-14, Singapore [abstract]      
Retrieval comparison of EndNote to search MEDLINE (Ovid and PubMed) versus searching them directly      
Retrieval effectiveness by semantic and citation searching      
Retrieval feedback in MEDLINE      
Retrieval of biomedical reviews: a comparative evaluation of online databases for reviews of drug therapy      
Retrieval of biomedical reviews [letter]      
Retrieval of missing data for meta-analysis: a practical example.      
The retrieval of randomized clinical trials in liver disease from the medical literature. A comparison of MEDLARS and manual methods      
The retrieval of randomized clinical trials in liver diseases from the medical literature: manual versus MEDLARS searches      
Retrieving information on clinical trial methodology      
Retrieving randomized controlled trials from medline: a comparison of 38 published search filters      
Retrieving research studies: a comparison of bibliographic and full-text versions of the New England Journal of Medicine      
Retrieving the irretrievable; or the editor, the author, and the machine      
Retrospective analysis of conformity with Clinical Practice Guidelines (CPGs) for elderly patients (pts) with early breast cancer [abstract]      
A retrospective analysis of decision-making based upon the UK NICE experience - the merging of clinical, cost-effectiveness, affordability and social influences.      
A retrospective analysis of institutional review board and informed consent practices in EMS research      
Retrospective and prospective identification of unpublished controlled trials: lessons from a survey of obstetricians and pediatricians      
Retrospective cohort study highlighted outcome reporting bias in UK publicly funded trials      
Retrospective cohort study highlights outcome reporting bias in UK publicly funded trials [abstract]      
A retrospective cohort study of structured abstracts in MEDLINE, 1992-2006      
A retrospective observational study of drotrecogin alfa (activated) in adults with severe sepsis: comparison with a controlled clinical trial      
Retrospective psychometric reports are poor estimates of treatment success [abstract]      
A retrospective quality analysis of 102 randomized trials in four leading urological journals from 1984-1989      
A retrospective study of children's perceptions of participation as clinical research subjects in a minimal risk study.      
A retrospective study of the accuracy of cancer information in Ontario daily newspapers      
Retrospective versus original information on cigarette smoking. Implications for epidemiologic studies.      
Retrospective versus original information on diet among cases of colorectal cancer and controls      
The return of the register: the UKCCCR Register of Cancer Trials [abstract]      
The returns from cardiovascular research: the impact of the National Heart Foundation of Australia's investment.      
The returns from Health Technology Assessment in the Netherlands [abstract]      
Revelation of a personal placebo response: its effects on mood, attitudes and future placebo responding.      
A reversal of fortune: practical problems in the monitoring and interpretation of an EORTC breast cancer trial      
Review: a gentle introduction to imputation of missing values.      
A review and analysis of placebo treatments, placebo effects, and placebo controls in trials of medical procedures when sham is not inert.      
A review and assessment of the participant recruitment strategies employed in the NSABP Breast Cancer Prevention Trial [abstract]      
Review and evaluation of anatomy sites on the Internet (updated 1999)      
A review and meta-analysis of hormonal treatment of cryptorchidism.      
Review article: critical review of meta-analyses of randomized clinical trials in hepatogastroenterology      
The review article in MEDLINE: ambiguity of definition and implications for online searchers      
Review articles      
Review articles and disclosure of methods      
Review articles and publication bias      
Review: clinical trials in peptic ulcer disease--problems of methodology and interpretation.      
A review finds that multicenter studies face substantial challenges but strategies exist to achieve Institutional Review Board approval      
A review finds that the autoreply e-mail function avoids problems of subject allocation concealment.      
Review of 39 years of randomized controlled trials in the British Journal of General Practice      
Review of analytical methods for prospective cohort studies using time to event data: single studies and implications for meta-analysis      
Review of available instruments and methods for assessing quality of life in anti-anginal trials. [Review]      
A review of blinding in randomized controlled trials found results inconsistent and questionable.      
A review of clinical trials regarding treatment of acute otitis media      
A review of condition-specific instruments to assess the impact of urinary incontinence on health-related quality of life      
A review of cost-effectiveness analyses in rheumatology and related disciplines      
A review of costing methodologies in critical care studies. [Review]      
A review of critical appraisal tools show they lack rigor: alternative tool structure is proposed      
A review of data reports published in the Journal of Manipulative and Physiological Therapeutics from 1986 to 1988      
A review of Delphi surveys conducted to establish research priorities by specialty nursing organizations from 1985 to 1995.      
A review of design and reporting issues in self-reported prevalence studies of leg ulceration      
Review of developments in meta-analytic method      
A review of evaluation outcomes of web-based continuing medical education. [Review]      
A review of five cardiology journals found that observer variability of measured variables was infrequently reported      
Review of guidelines for good practice in decision-analytic modelling in health technology assessment. [Review]      
A review of internet based drug information resources and student preferences      
A review of investigations into adenotonsillectomy      
Review of lipid-lowering clinical trials in relation to observational epidemiologic studies      
A review of methodology for sample size calculations in cluster randomised trials [abstract]      
A review of methods used in long-term cost-effectiveness models of diabetes mellitus treatment      
A review of mortality from choroidal melanoma. I. Quality of published reports, 1966 through 1988      
Review of NICE's Health Technology Appraisal recommendations [abstract]      
Review of nonparametric methods for the analysis of crossover studies      
Review of papers published in the Journal of Advanced Nursing, 1976-1979 and 1989-1992.      
Review of phase II trial designs used in studies of molecular targeted agents: outcomes and predictors of success in phase III.      
Review of publication bias in studies on publication bias: here's a proposal for editors that may help reduce publication bias.      
Review of publication bias in studies on publication bias: mandatory publication of data may help.      
Review of publication bias in studies on publication bias: meta-research on publication bias does not help transfer research results to patient care.      
Review of publication bias in studies on publication bias: studies on publication bias are probably susceptible to the bias they study.      
Review of publication bias in studies on publication bias: systematic review is needed.      
Review of published clinical trials conducted in Singapore from 1959 to 1994      
A review of published experiences of patient involvement in clinical practice guidelines development [abstract]      
A review of quality assessment tools for non-randomised intervention studies [abstract]      
A review of quality assessment tools for non-randomised intervention studies [abstract]      
A review of quality assurance (QA) including real time review (RTR) in trials involving radiotherapy [abstract]      
Review of randomised controlled trials of traditional Chinese medicine      
A review of randomised controlled trials published in Archives of Disease in Childhood from 1982-96      
A review of randomised trials published in general high impact journals, specialist high impact journals, or specialist low impact journals [abstract]      
Review of randomised trials using the post-randomised consent (Zelen's) design.      
A review of randomized controlled trials comparing the effectiveness of hand held computers with paper methods for data collection.      
A review of RCTs in four medical journals to assess the use of imputation to overcome missing data in quality of life outcomes.      
A review of recently published qualitative research in general practice. More methodological questions than answers?      
A review of recruitment criteria, patient characteristics and results of CHOP chemotherapy in prospective randomized phase III clinical trials for aggressive non-Hodgkin's lymphoma      
Review of reference inaccuracies [abstract]      
A review of reporting of participant recruitment and retention in RCTs in six major journals      
Review of research conducted in psychology program training clinics      
A review of research in the United Kingdom to evaluate the implementation of clinical guidelines in general practice. [Review]      
Review of research methodology used in clinical trials of magnesium and myocardial infarction--why does controversy persist despite ISIS-4?      
Review of research needs and priorities 2007: the National Institute for Health Research Service Delivery and Organisation Programme.      
Review of research on aboriginal populations in Canada: relevance to their health needs.      
Review of research on therapeutic interventions for children with cerebral palsy.      
Review of reviews: the highest level of evidence or a step too far? [abstract]      
A review of selected patient-generated outcome measures and their application in clinical trials. [Review]      
A review of solutions for diagnostic accuracy studies with an imperfect or missing reference standard      
A review of statistical methods in the Journal of Advanced Nursing.      
A review of studies of the Hamilton depression rating scale in healthy controls: implications for the definition of remission in treatment studies of depression      
Review of studies published in 1984-1993 searching for multiple concomitant sexually transmitted diseases; a quality control.      
Review of survival analyses published in cancer journals.      
A review of the accuracy of references in the journal Emergency Medicine      
A review of the design of vaccine efficacy trials and a proposal for the design of the VA Cooperative Study of Active Immunotherapy of HIV Infection      
A review of the ethical issues related to the use of placebo controls in conducting clinical trials      
Review of the evidence for the clinical efficacy of human acupuncture      
A review of the limitations of statistical analysis of treatment outcomes used in periodontal research. [Review]      
[Review of the literature, search of reports and critical reading of articles in cancerology]      
A review of the methodological features of systematic reviews in maternal medicine.      
Review of the quality of information on bipolar disorder on the Internet      
A review of the quality of randomized clinical trials of adjunctive therapy for the treatment of cerebral malaria. [Review]      
Review of the reviewer [editorial]      
A review of the true methodological quality of nutritional support trials conducted in the critically ill: time for improvement.      
A review of the use of health status measures in economic evaluation      
A review of the use of randomized trials to assess the impact of diagnostic tests on patient outcomes [abstract]      
Review of the usefulness of contacting other experts when conducting a literature search for systematic reviews      
A review of tools for assessing the quality of qualitative studies: implications for systematic reviews [abstract]      
A review of two journals found that articles using multivariable logistic regression frequently did not report commonly recommended assumptions.      
A review of user-interface design: the role of self-exploration      
A review on Cochrane systematic reviews of complementary therapies [abstract]      
Review on evidence-based cancer medicine. Applying evidence to the individual patient      
Review on evidence-based cancer medicine - using evaluations of diagnostic tests: understanding their limitations and making the most of available evidence      
A review on the design and reporting of studies on drug-gene interaction.      
Review or original article? The manuscript category of systematic review and meta-analysis in high-impact biomedical journals. Poster presentation at the 19th Cochrane Colloquium; 2011 Oct 19-22; Madrid, Spain [abstract]      
Review publication bias? Matched comparative study of Cochrane and journal meta-analyses      
Reviewer bias: a blinded experimental study [see comments]      
Reviewer bias against the unconventional? A randomized double-blind study of peer review      
Reviewer evaluation of manuscripts submitted to medical journals [abstract]      
Reviewers' and editors' perceptions of submitted manuscripts with different numbers of authors, addresses and funding sources      
Reviewers and reviews under scrutiny: an assessment of strengths and weaknesses [abstract]      
Reviewers' perceptions of the peer review process for a medical education journal.      
Reviewing assessments of the impact of HTA and other health research programmes [abstract]      
Reviewing evidence on complex social interventions: appraising implementation in systematic reviews of the health effects of organisational-level workplace interventions      
Reviewing measures of outcome: reliability of data extraction      
Reviewing peer reviews: the experience of a public health journal [abstract]      
Reviewing psychometric properties of HRQL measures in mental health: practical experience. Poster presentation at the 19th Cochrane Colloquium; 2011 Oct 19-22; Madrid, Spain [abstract]      
Reviewing systematic reviews: a summary and analysis of the database [abstract]      
Reviewing the literature: a comparison of traditional methods with meta-analysis      
Reviewing the results of systematic reviews: the effects of psychosocial interventions in cancer and heart disease [abstract]      
Reviewing the reviewers: the quality of reporting in three secondary journals      
Reviewing the reviews. How strong is the evidence? How clear are the conclusions?      
Reviewing the reviews: the case of chronic fatigue syndrome [abstract]      
Reviewing the reviews: the evidence base of contemporary medicine is weak [abstract]      
Reviewing the reviews: the example of chronic fatigue syndrome      
Reviews assessing the quality or the reporting of randomized controlled trials are increasing over time but raised questions about how quality is assessed      
The revised CONSORT statement for reporting randomized trials: explanation and elaboration.      
Revised estimates of diagnostic test sensitivity and specificity in suspected biliary tract disease      
Revised STandards for Reporting Interventions in Clinical Trials of Acupuncture (STRICTA): extending the CONSORT statement      
Revised STandards for Reporting Interventions in Clinical Trials of Acupuncture (STRICTA): extending the CONSORT statement      
Revision of manuscripts for scholarly publication      
Revisiting the level of evidence in randomized controlled clinical trials: a simulation approach      
The rhetoric of efficacy in donepezil trials [abstract]      
Rheumatoid arthritis patients and clinical drug trials. A case-control study.      
Rheumatology patient and physician concordance with respect to important health and symptom status outcomes.      
[Rheumatology research. Analysis of Spanish papers published in 1990-1996 in 9 foreign journals in the field]      
Riding the wave: response rates and the effects of time intervals between successive mail survey follow-up efforts.      
Rigor in data synthesis: a case study of reliability in meta- analysis      
Rigor in qualitative research: the assessment of trustworthiness. [Review]      
Rigor of research methods in studies of the effectiveness and safety of cataract extraction with intraocular lens implantation. Cataract Patient Outcome Research Team.[erratum appears in Arch Ophthalmol 1994 Apr;112(4):479]. [Review]      
The rise of experimental statistics and the problems of a medical statistician.      
The rising importance of Cochrane systematic reviews in a Latin-American evidence-based journal [abstract]      
Risk behaviors by audio computer-assisted self-interviews among HIV-seropositive and HIV-seronegative injection drug users.      
Risk communication formats for low probability events: an exploratory study of patient preferences.      
Risk communication in clinical trials: a cognitive experiment and a survey      
Risk factor screening and intervention: a psychological/behavioral cost or a benefit?      
Risk factors for citation errors in peer-reviewed nursing journals.      
Risk factors for publication bias in the environmental tobacco smoke/coronary heart disease epidemiologic literature [abstract]      
Risk factors for publications bias: results of a follow-up study [abstract]      
Risk factors for the development of placebo adverse reactions in a multicenter clinical trial      
Risk Management Plans: are they a tool for improving drug safety?      
Risk markers for disappearance of pediatric Web resources      
The risk-of-bias and standards of reporting of published randomized controlled trials of medical education (Med Ed) research. Poster presentation at the 19th Cochrane Colloquium; 2011 Oct 19-22; Madrid, Spain [abstract]      
Risk of Bias Assessment tool for Non-randomized Studies (RoBANS): Development and validation of a new instrument. Oral presentation at the 19th Cochrane Colloquium; 2011 Oct 19-22; Madrid, Spain [abstract]      
Risk of bias from the inclusion of already diagnosed or treated patients in diagnostic accuracy studies of depression screening tools [abstract]      
Risk of bias tool evaluation: process and results. Oral presentation at the Joint Cochrane and Campbell Colloquium; 2010 Oct 18-22; Keystone, Colorado, USA [abstract]      
Risk of bias versus quality: application and recommendations for the Cochrane 'Risk of bias' tool. Oral presentation at the 16th Cochrane Colloquium: Evidence in the era of globalisation; 2008 Oct 3-7; Freiburg, Germany [abstract]      
Risk of bias versus quality assessment of randomised controlled trials: cross sectional study      
Risk of cardiovascular disease in relation to the use of combined postmenopausal hormone therapy: detection bias and resolution of discrepant findings in two Women's Health Initiative studies.      
Risk of cardiovascular events and rofecoxib: cumulative meta-analysis      
The risk of determining risk with multivariable models      
The risk of false-positive findings from meta-regression      
The risk of false-positive results in orthopaedic surgical trials      
The risk of using the Internet as reference resource: a comparative study      
Risk perception and decision processes underlying informed consent to research participation      
Risks and benefits associated with novel phase 1 oncology trial designs.      
The risks and benefits of participating in trauma-focused research studies      
Risks and benefits of phase 1 oncology trials, 1991 through 2002      
Risks versus benefits of NSAIDs including aspirin in myocarditis: a review of the evidence from animal studies. [Review]      
A road map for efficient and reliable human genome epidemiology.      
Roadblocks encountered in recruiting patients for a study of sleep disruption in Alzheimer's disease.      
Robust Bayesian approaches for clinical trial monitoring [published erratum appears in Stat Med 1997 Jun 15;16(11):1300]      
Robust Bayesian methods for monitoring clinical trials      
Robust methods for reanalysis of interrupted time series designs for inclusion in systematic reviews [abstract]      
A robust P-value for treatment effect in meta-analysis with publication bias.      
Robust relational parsing over biomedical literature: extracting inhibit relations.      
Robustness assessments are needed to reduce bias in meta-analyses that include zero-event randomized trials      
The robustness of a systematic review of the effectiveness of interventions for managing childhood nocturnal enuresis: the results of three sensitivity analyses      
Robustness of empirical search strategies for clinical content in MEDLINE.      
Robustness of late lumen loss in discriminating drug-eluting stents across variable observational and randomized trials. [Review]      
Robustness of mixed effects regression to model misspecification in meta-analysis      
The robustness of results on weight loss in trials on sibutramine - a comparison of results from unpublished study reports with the corresponding published reports. Oral presentation at the Joint Cochrane and Campbell Colloquium; 2010 Oct 18-22; Keystone, Colorado, USA [abstract]      
ROC curve regression analysis: the use of ordinal regression models for diagnostic test assessment      
The role and image of the library and librarians in discipline-specific pedagogical journals      
The role familiarity with science and medicine plays in parents' decision making about enrolling a child in vaccine research      
Role of a research ethics committee in follow-up and publication of results      
Role of a research ethics committee in follow-up and publication of results [comment]      
Role of a research ethics committee in follow-up and publication of results [comment]      
The role of abstracts and meeting presentations in the communication of scientific information.      
Role of academia, government and pharmaceutical industry in early-phase clinical trials of novel cancer immunotherapies [abstract]      
Role of acculturation research in advancing science and practice in reducing health care disparities among Latinos      
The role of advanced practice nurses in knowledge brokering as a means of promoting evidence-based practice among clinical nurses      
The role of an observational cohort in the VA-NIH Acute Renal Failure Trial Network (ATN) study to address potential concerns arising from the ARDS Network controversy [abstract]      
The role of before-after studies of therapeutic impact in the evaluation of diagnostic technologies      
The role of biostatistics in the prevention, detection and treatment of fraud in clinical trials      
The role of choice in health education intervention trials: a review and case study.      
Role of Cochrane Systematic Reviews in Health Technology Assessment in Argentina [abstract]      
Role of Cochrane systematic reviews in health technology assessment in Argentina [abstract]      
The role of community advisory boards: involving communities in the informed consent process      
The role of community consultants in designing an HIV prevention intervention      
The role of context in perceptions of the aesthetics of web pages over time      
The role of data and safety monitoring board in clinical trials: a systematic review [abstract]      
Role of decision analysis in relation to clinical trials and a US perspective of the Battelle model      
The role of diet in the management of gout: a comparison of knowledge and attitudes to current evidence      
The role of doctor's opinion in shared decision making: what does shared decision making really mean when considering invasive medical procedures?      
The role of electronic journals in reducing publication bias      
The role of expectancies in the placebo effect and their use in the delivery of care [abstract]      
The role of expectancies in the placebo effect and their use in the delivery of health care: a systematic review      
The role of external evidence in data monitoring of a clinical trial      
Role of external evidence in monitoring clinical trials: experience from a perinatal trial.      
The role of grey literature in meta-analysis [abstract]      
The role of health care providers and significant others in evaluating the quality of life of patients with chronic disease.      
The role of health care providers and significant others in evaluating the quality of life of patients with chronic disease: a review      
The role of health technology assessment on pharmaceutical reimbursement in selected middle-income countries      
[The role of HTA in German health care. Do we need impact objectives?]      
The role of hypothesis testing in clinical trials. Biometrics seminar      
Role of independent data-monitoring committees in randomized clinical trials sponsored by the National Cancer Institute.      
The role of intention to treat in analysis of noninferiority studies.      
The role of known effects in observational studies      
The role of lay panelists on grant review panels      
The role of meta-analyses in assessing cancer treatments.      
The role of meta-analysis in monitoring clinical trials      
Role of meta-analysis in the definition of target population in therapy      
The role of method in treatment effectiveness research: evidence from meta-analysis.      
The role of modelling in prioritising and planning clinical trials [review]      
Role of observational studies versus clinical trials in ESRD research      
The role of overviews in cancer therapeutics      
The role of participation in the Women's Health Trial: feasibility study in minority populations      
Role of patient compliance in clinical pharmacokinetics. A review of recent research.      
The role of placebo in surgical trials: insights from the KORAL study [abstract]      
The role of prognostic stratification in preventing the bias permitted by random allocation of treatment      
The role of prospective randomized clinical trials in pediatric surgery: state of the art?      
The role of prospective trials registration and trials registers in improving the design, conduct and reporting of randomized clinical trials from developing countries [abstract]      
The role of qualitative research in HIV/AIDS      
The role of quality tools in assessing reliability of the internet for health information      
The role of randomization in clinical studies: myths and beliefs      
The role of research training during higher medical education in the promotion of academic medicine in the UK.      
The role of selection bias in pancreatic cancer case-control studies [abstract]      
The role of the consent document in informed consent for pediatric leukemia trials.      
The role of the information specialist in the systematic review process: a health information case study.      
The role of the manuscript reviewer in the peer review process      
The role of the media and media hypes in the aftermath of disasters      
The role of the medical information database in managing the East Japan disaster. Poster presentation at the 19th Cochrane Colloquium; 2011 Oct 19-22; Madrid, Spain [abstract]      
The role of the narrative systematic review in health care assessment.      
The role of the reviewer in editorial decision-making.      
The role of the reviewer in the dissemination of their results: overcoming the Sinatra factor      
Role of topical immunotherapy in the treatment of alopecia areata. Quality analysis of articles published between January 1977 and January 1988 about three treatments. Reading Group      
Romanian psychiatric literature: analysis of accessibility and nature of Romanian psychiatric articles      
Room for improvement? A survey of the methods used in systematic reviews of adverse effects.      
Room for improvement: how to validate your MEDLINE search before using it in the update. Poster presentation at the 17th Cochrane Colloquium; 2009 Oct 11-14, Singapore [abstract]      
Room for improvement? Reporting response rates and recruitment in nursing research in the past decade.      
Round up the usual suspects? Involvement of medical writers and the pharmaceutical industry in retracted publications [abstract]      
Routine data from hospital information systems can support patient recruitment for clinical studies      
Routine diagnostic imaging for childhood urinary tract infections - a systematic overview      
Routine protein energy supplementation in adults: systematic review [comment]      
The Royal College of Nursing's information needs survey of nurses and health professionals      
RTOG physician and research associate attitudes, beliefs and practices regarding clinical trials: implications for improving patient recruitment      
Rule-based ranking schemes for antiretroviral trials      
Rules of evidence and clinical recommendations on the use of antithrombotic agents      
Rx medication information for the public and the WWW: quality issues