L-carnitine for acute valproic acid overdose: a systematic review of published cases (Provisional abstract)      
L-carnitine in the secondary prevention of cardiovascular disease: systematic review and meta-analysis (Provisional abstract)      
L-Carnitine supplementation for adults with end-stage kidney disease requiring maintenance hemodialysis: a systematic review and meta-analysis (Provisional abstract)      
L-ornithine-l-aspartate for hepatic encephalopathy in patients with cirrhosis: a meta-analysis of randomized controlled trials (Structured abstract)      
L-Ornithine-L-aspartate in the management of hepatic encephalopathy: a meta-analysis (Structured abstract)      
The l58Val/Met polymorphism of catechol-O-methyl transferase gene and prostate cancer risk: a meta-analysis (Provisional abstract)      
La primaquina tiene alta eficacia en la quimioprofilaxis primaria simple antipaludica: metanalisis [High efficacy of primary chemoprophylaxis with primaquine: metanalysis] (Provisional abstract)      
Labor induction versus expectant management for postterm pregnancies: a systematic review with meta-analysis (Structured abstract)      
Labor induction with 25 microg versus 50 microg intravaginal misoprostol: a systematic review (Structured abstract)      
Labor induction with intravaginal misoprostol compared with the dinoprostone vaginal insert: a systematic review and metaanalysis (Provisional abstract)      
Laboratory aspirin resistance and the risk of major adverse cardiovascular events in patients with coronary heart disease on confirmed aspirin adherence (Provisional abstract)      
Laboratory evaluation in the diagnosis of Lyme disease (Structured abstract)      
Laboratory measurement of the anticoagulant activity of the non-vitamin k oral anticoagulants (Provisional abstract)      New 
Laboratory testing for Neisseria gonorrhoeae by recently introduced nonculture tests: a performance review with clinical and public health considerations (Structured abstract)      
Labour epidural analgesia and anti-infectious management of the neonate: a meta-analysis (Provisional abstract)      
Labral resection or preservation during FAI treatment? A systematic review (Provisional abstract)      
Lacidipine: a review of its pharmacodynamic and pharmacokinetic properties and therapeutic potential in the treatment of hypertension (Structured abstract)      
Lack of an association between -308G>A polymorphism of the TNF-alpha gene and liver cirrhosis risk based on a meta-analysis (Provisional abstract)      
Lack of an association between CYP11B2 C-344T gene polymorphism and ischemic stroke: a meta-analysis of 7,710 subjects (Provisional abstract)      
Lack of an association between TSC gene Arg904Gln polymorphisms and essential hypertension risk based on a meta-analysis (Provisional abstract)      
Lack of an association between two BER gene polymorphisms and breast cancer risk: a meta-analysis (Provisional abstract)      
Lack of association between Bax promoter (-248G>A) single nucleotide polymorphism and susceptibility towards cancer: evidence from a meta-analysis (Provisional abstract)      
Lack of association between cathepsin D C224T polymorphism and Alzheimer's disease risk: an update meta-analysis (Provisional abstract)      
Lack of association between Cyclin D1 gene G870A polymorphism and esophageal cancer: evidence from a meta-analysis (Provisional abstract)      
Lack of association between CYP1A1 T6235C polymorphism and coronary artery disease: evidence from a meta-analysis (Provisional abstract)      
Lack of association between EGF +61A>G polymorphism and melanoma susceptibility in Caucasians: a HuGE review and meta-analysis (Provisional abstract)      
Lack of association between Fas rs180082 polymorphism and risk of cervical cancer: an update by meta-analysis (Provisional abstract)      
Lack of association between Hsa-miR-149 rs2292832 polymorphism and cancer risk: a meta-analysis of 12 studies (Provisional abstract)      
The lack of association between interleukin-6 gene -174 G/C polymorphism and the risk of type 1 diabetes mellitus: a meta-analysis of 18,152 subjects (Provisional abstract)      
Lack of association between LIG4 gene polymorphisms and the risk of breast cancer: a HuGE review and meta-analysis (Provisional abstract)      
Lack of association between methionine synthase A2756G polymorphism and digestive system cancer risk: evidence from 39327 subjects (Provisional abstract)      
Lack of association between the A118G polymorphism of the mu opioid receptor gene (OPRM1) and opioid dependence: a meta-analysis (Provisional abstract)      
Lack of association between the hOGG1 Ser326Cys polymorphism and gastric cancer risk: a meta-analysis (Provisional abstract)      
Lack of association between the interleukin 6 gene -174G>C polymorphism and colorectal cancer: evidence from a meta-analysis (Provisional abstract)      
Lack of association between TLR4 Asp299Gly polymorphism and atherosclerosis: evidence from meta-analysis (Provisional abstract)      
Lack of association between TNF-alpha promoter polymorphisms and multiple myeloma: a meta-analysis (Provisional abstract)      
Lack of association between TNFalpha rs1800629 polymorphism and schizophrenia risk: a meta-analysis (Provisional abstract)      
Lack of association between Toll-like receptor 4 gene Asp299Gly and Thr399Ile polymorphisms and tuberculosis susceptibility: a meta-analysis (Provisional abstract)      
Lack of association between vitamin D receptor gene BsmI polymorphism and breast cancer risk: an updated meta-analysis involving 23,020 subjects (Provisional abstract)      
Lack of association between vitamin D receptor gene FokI and BsmI polymorphisms and prostate cancer risk: an updated meta-analysis involving 21,756 subjects (Provisional abstract)      
Lack of association between XRCC3 rs861539 (C > T) polymorphism and lung cancer risks: an update meta-analysis (Provisional abstract)      
Lack of association of apolipoprotein E (Apo E) ?2/?3/?4 polymorphisms with primary open-angle glaucoma: a meta-analysis from 1916 cases and 1756 controls (Provisional abstract)      
Lack of association of EPHX1 gene polymorphisms with risk of hepatocellular carcinoma: a meta-analysis (Provisional abstract)      
Lack of association of MiR-34b/c polymorphism (rs4938723) with hepatocellular carcinoma: a meta-analysis (Provisional abstract)      
Lack of benefit for prophylactic drugs of tension-type headache in adults: a systematic review (Structured abstract)      
Lack of effect of lowering LDL cholesterol on cancer: meta-analysis of individual data from 175,000 people in 27 randomised trials of statin therapy (Provisional abstract)      
Lack of effect of statins on maintenance of normal sinus rhythm following electrical cardioversion of persistent atrial fibrillation (Provisional abstract)      
Lack of effects of HER-2/neu on prognosis in colorectal cancer: a meta-analysis (Provisional abstract)      New 
Lack of efficacy of drug therapy in preventing takotsubo cardiomyopathy recurrence: a meta-analysis (Provisional abstract)      
Lack of efficacy of neuromuscular electrical stimulation of the lower limbs in chronic obstructive pulmonary disease patients: a meta-analysis (Provisional abstract)      
Lack of efficacy of probiotics in preventing ventilator-associated pneumonia: a systematic review and meta-analysis of randomized controlled trials (Provisional abstract)      
Lack of efficacy of Tai Chi in improving quality of life in breast cancer survivors: a systematic review and meta-analysis (Provisional abstract)      
Lack of evidence for association between factor XIII-A Val34Leu polymorphism and ischemic stroke: a meta-analysis of 8,800 subjects (Provisional abstract)      
Lack of evidence for fracture prevention in early breast cancer bisphosphonate trials: a meta-analysis (Structured abstract)      
The lack of evidence for PET or PET/CT surveillance of patients with treated lymphoma, colorectal cancer, and head and neck cancer: a systematic review (Provisional abstract)      
Lack of evidence for qualitative treatment by disease severity interactions in clinical studies of severe sepsis (Structured abstract)      
Lack of evidence for the efficacy of memantine in mild Alzheimer disease (Structured abstract)      
A lack of evidence of superiority of propofol versus midazolam for sedation in mechanically ventilated critically ill patients: a qualitative and quantitative systematic review (Structured abstract)      
Lack of evidence of the effectiveness of primary brachial plexus surgery for infants (under the age of two years) diagnosed with obstetric brachial plexus palsy (Structured abstract)      
Lack of evidence on diets for obesity for children: a systematic review (Structured abstract)      
Lack of evidence on Tai Chi-related effects in patients with type 2 diabetes mellitus: a meta-analysis (Provisional abstract)      
Lack of evidence to support policy development for management of contacts of multidrug-resistant tuberculosis patients: Two systematic reviews (Provisional abstract)      
Lack of evidence to support thromboprophylaxis in hospitalized medical patients with cancer (Provisional abstract)      
Lack of high-quality studies comparing the effectiveness, and cost-effectiveness, of dental auxiliaries and dentists in performing dental care (Provisional abstract)      New 
Lack of impact on polyp detection by fellow involvement during colonoscopy: a meta-analysis (Provisional abstract)      
Lack of impact on polyp detection by fellow involvement during colonoscopy: a meta-analysis (Provisional abstract)      
Lack of intra-aortic balloon pump effectiveness in high-risk percutaneous coronary interventions without cardiogenic shock: a comprehensive meta-analysis of randomised trials and observational studies (Provisional abstract)      
Lack of positive effect of intravitreal bevacizumab in central serous chorioretinopathy: meta-analysis and review (Provisional abstract)      
Lack of prognostic value of human epidermal growth factor-like receptor 2 status in inflammatory breast cancer (IBC): a meta-analysis (Provisional abstract)      New 
Lack of significant association between plasma/serum miR-221 expression and poor survival of carcinoma: a meta-analysis (Provisional abstract)      
Lack of significant interactions between clopidogrel and proton pump inhibitor therapy: meta-analysis of existing literature (Provisional abstract)      
Lack of uniform diagnostic criteria for inflammatory breast cancer limits interpretation of treatment outcomes: a systematic review (Structured abstract)      
Lacosamide adjunctive therapy for partial-onset seizures: a meta-analysis (Provisional abstract)      
Lactate clearance is a useful biomarker for the prediction of all-cause mortality in critically ill patients: a systematic review and meta-analysis (Provisional abstract)      
Lactic acidosis in metformin therapy: searching for a link with metformin in reports of 'metformin-associated lactic acidosis' (Structured abstract)      
Lactobacillus-containing probiotic supplementation increases Helicobacter pylori eradication rate: evidence from a meta-analysis (Provisional abstract)      
Lactobacillus for preventing recurrent urinary tract infections in women: meta-analysis (Provisional abstract)      
Lactobacillus reuteri strain ATCC 55730 for the treatment of acute infectious diarrhoea in children: a meta-analysis of randomized controlled trials (Provisional abstract)      
Lactobacillus rhamnosus GG supplementation for preventing respiratory infections in children: a meta-analysis of randomized, placebo-controlled trials (Provisional abstract)      
Lactobacillus therapy for acute infectious diarrhea in children: a meta-analysis (Structured abstract)      
Lactose malabsorption and intolerance: a systematic review on the diagnostic value of gastrointestinal symptoms and self-reported milk intolerance (Provisional abstract)      
Lactotripeptides intake and blood pressure management: a meta-analysis of randomised controlled clinical trials (Provisional abstract)      
Lafutidine-based triple therapy for Helicobacter pylori eradication (Provisional abstract)      
Laminoplasty and laminectomy for cervical sponydylotic myelopathy: a systematic review (Provisional abstract)      
Laminoplasty versus skip laminectomy for the treatment of multilevel cervical spondylotic myelopathy: a systematic review (Provisional abstract)      
Lamivudine and interferon versus lamivudine monotherapy for HBeAg-positive hepatitis B treatment: a meta-analysis of randomized, controlled trials (Structured abstract)      
Lamivudine for the treatment of hepatitis B virus-related liver disease after renal transplantation: meta-analysis of clinical trials (Structured abstract)      
Lamivudine in late pregnancy to interrupt in utero transmission of hepatitis B virus: a systematic review and meta-analysis (Provisional abstract)      
Lamivudine or lamivudine combined with hepatitis B immunoglobulin in prophylaxis of hepatitis B recurrence after liver transplantation: a meta-analysis (Structured abstract)      
Lamivudine plus adefovir combination therapy versus entecavir monotherapy for lamivudine-resistant chronic hepatitis B: a systematic review and meta-analysis (Structured abstract)      
Lamivudine prevents reactivation of hepatitis B and reduces mortality in immunosuppressed patients: systematic review and meta-analysis (Provisional abstract)      
Lamivudine prophylaxis is effective in reducing hepatitis B reactivation and reactivation-related mortality in chemotherapy patients: a meta-analysis (Structured abstract)      
Lamivudine versus lamivudine-thymosin alpha-1 combination therapy for HBeAg positive chronic hepatitis B: a systematic review (Provisional abstract)      
Lamivudine versus telbivudine in the treatment of chronic hepatitis B: a systematic review and meta-analysis (Provisional abstract)      
Lamotrigine for treatment of bipolar depression: independent meta-analysis and meta-regression of individual patient data from five randomised trials (Structured abstract)      
Land-based exercise for osteoarthritis of the knee: a metaanalysis of randomized controlled trials (Structured abstract)      
L'andamento delle performance e l'efficacia del retraining dopo il primo corso di rianimazione cardiopolmonare di base: revisione della letteratura [Effectiveness of retraining after basic cardiopulmonary resuscitation courses: a literature review] (Provisional abstract)      
Language intervention practices for school-age children with spoken language disorders: a systematic review (Structured abstract)      
Lansoprazole compared with histamine2-receptor antagonists in healing gastric ulcers: a meta-analysis (Structured abstract)      
Laparoendoscopic rendezvous reduces perioperative morbidity and risk of pancreatitis (Structured abstract)      
Laparoendoscopic single-site adrenalectomy versus conventional laparoscopic surgery: a systematic review and meta-analysis of observational studies (Provisional abstract)      
Laparoendoscopic single-site cholecystectomy versus conventional laparoscopic cholecystectomy: a systematic review of randomized controlled trials (Provisional abstract)      
Laparoendoscopic single-site nephrectomy compared with conventional laparoscopic nephrectomy: a systematic review and meta-analysis of comparative studies (Provisional abstract)      
Laparoendoscopic single-site versus conventional laparoscopic gynecologic surgery: a meta-analysis of randomized controlled trials (Provisional abstract)      
Laparoendoscopic single site versus laparoscopic living donor nephrectomy: a systematic review and meta-analysis (Provisional abstract)      
Laparoendoscopic single-site versus traditional laparoscopic surgery in patients with cholecystectomy: a meta-analysis (Structured abstract)      
Laparoscopia vs laparotomia nelle resezioni per cancro colorettale: metanalisi dei principali trial [Laparoscopic versus open resection for colorectal cancer: meta-analysis of the chief trials] (Provisional abstract)      
Laparoscopic adjustable gastric banding for clinically severe (morbid) obesity (Structured abstract)      
Laparoscopic adjustable gastric banding for morbid obesity (Provisional abstract)      
Laparoscopic adjustable gastric banding for the treatment of obesity (Structured abstract)      
Laparoscopic adrenalectomy (Provisional abstract)      
Laparoscopic anterior 180-degree versus Nissen fundoplication for gastroesophageal reflux disease: systematic review and meta-analysis of randomized clinical trials (Structured abstract)      
Laparoscopic anterior versus posterior fundoplication for gastroesophageal reflux disease: systematic review and meta-analysis of randomized clinical trials (Provisional abstract)      
Laparoscopic appendicectomy in pregnancy: a systematic review of the published evidence (Provisional abstract)      New 
Laparoscopic approach to acute small bowel obstruction: review of 1061 cases (Provisional abstract)      
Laparoscopic approach to appendectomy reduces the incidence of short- and long-term post-operative bowel obstruction: systematic review and pooled analysis (Provisional abstract)      
Laparoscopic assisted distal gastrectomy for early gastric cancer: is it an alternative to the open approach? (Structured abstract)      
Laparoscopic-assisted resection of colorectal malignancies (Structured abstract)      
Laparoscopic-assisted vaginal hysterectomy vs abdominal hysterectomy for benign disease: a meta-analysis of randomized controlled trials (Structured abstract)      
Laparoscopic-assisted versus open distal gastrectomy with D2 lymph node resection for advanced gastric cancer: effect of learning curve on short-term outcomes. A meta-analysis (Provisional abstract)      
Laparoscopic-assisted versus open surgery for rectal cancer: a meta-analysis of randomized controlled trials on oncologic adequacy of resection and long-term oncologic outcomes (Structured abstract)      
Laparoscopic Burch colposuspension (Structured abstract)      
Laparoscopic cholecystectomy for severe acute cholecystitis: a meta-analysis of results (Structured abstract)      
Laparoscopic cholecystectomy versus mini-laparotomy cholecystectomy: a meta-analysis of randomised control trials (Structured abstract)      
Laparoscopic cholecystectomy versus minilaparotomy in cholelithiasis: systematic review and meta-analysis (Provisional abstract)      
Laparoscopic colorectal surgery confers lower mortality in the elderly: a systematic review and meta-analysis of 66,483 patients (Provisional abstract)      
Laparoscopic colorectal surgery is associated with a higher intraoperative complication rate than open surgery (Structured abstract)      
Laparoscopic colposuspension: a systematic review (Structured abstract)      
Laparoscopic compared with open methods of groin hernia repair in adults: a systematic review of clinical controlled trials (Provisional abstract)      
Laparoscopic compared with open methods of groin hernia repair: systematic review of randomized controlled trials (Structured abstract)      
Laparoscopic distal pancreatectomy and pancreatoduodenectomy: is it worthwhile? A meta-analysis of laparoscopic pancreatectomy (Provisional abstract)      
Laparoscopic distal pancreatectomy is as safe and feasible as open procedure: a meta-analysis (Structured abstract)      
Laparoscopic distal pancreatectomy is associated with significantly less overall morbidity compared to the open technique: a systematic review and meta-analysis (Structured abstract)      
Laparoscopic donor nephrectomy (Provisional abstract)      
Laparoscopic entry: a literature review and analysis of techniques and complications of primary port entry (Structured abstract)      
Laparoscopic fenestration vs open fenestration in patients with congenital hepatic cysts: a meta-analysis (Provisional abstract)      
Laparoscopic gastrectomy for advanced gastric cancer: are the long-term results comparable with conventional open gastrectomy? A systematic review and meta-analysis (Provisional abstract)      
Laparoscopic gastric bypass surgery for morbid obesity (Provisional abstract)      
Laparoscopic heller myotomy versus endoscopic balloon dilatation for the treatment of achalasia: a network meta-analysis (Provisional abstract)      
Laparoscopic Heller's myotomy versus pneumatic dilation in the treatment of idiopathic achalasia: a meta-analysis of randomized, controlled trials (Provisional abstract)      
Laparoscopic hepatectomy compared with conventional open hepatectomy for hepatocellular carcinoma: a systematic review (Provisional abstract)      
Laparoscopic hepatectomy for liver metastases from colorectal cancer: a meta-analysis (Provisional abstract)      
Laparoscopic heptectomy versus open hepatectomy for hepatocellular carcinoma: a meta-analysis (Provisional abstract)      
Laparoscopic hyperthermic intraperitoneal chemotherapy: indications, aims, and results: a systematic review of the literature (Provisional abstract)      
Laparoscopic hysterectomy for benign gynecological diseases: a systematic review (Provisional abstract)      
Laparoscopic hysterectomy in the treatment of endometrial cancer: a systematic review (Structured abstract)      
Laparoscopic left lateral liver resection should be a standard operation (Structured abstract)      
Laparoscopic liver resection as a safe and efficacious alternative to open resection for colorectal liver metastasis: a meta-analysis (Provisional abstract)      
Laparoscopic management of endometriosis: comprehensive review of best evidence (Structured abstract)      
Laparoscopic management of Spigelian hernias (Structured abstract)      
Laparoscopic morcellator-related injuries (Provisional abstract)      
Laparoscopic Nissen fundoplication with or without short gastric vessel division: a meta-analysis (Structured abstract)      
Laparoscopic or Lichtenstein repair for recurrent inguinal hernia: a meta-analysis of randomized controlled trials (Provisional abstract)      
Laparoscopic or open liver resection? Let systematic review decide it (Structured abstract)      
Laparoscopic ovarian cystectomy versus fenestration/coagulation or laser vaporization for the treatment of endometriomas: a meta-analysis of randomized controlled trials (Provisional abstract)      
Laparoscopic ovarian electrocautery versus gonadotropin therapy in infertile women with clomiphene citrate-resistant polycystic ovary syndrome: a systematic review and meta-analysis (Provisional abstract)      New 
Laparoscopic partial cholecystectomy for the difficult gallbladder: a systematic review (Provisional abstract)      
Laparoscopic partial nephrectomy in obese patients: a systematic review and meta-analysis (Provisional abstract)      
Laparoscopic peritoneal lavage for perforated colonic diverticulitis: a systematic review (Structured abstract)      
Laparoscopic pyelolithotomy compared to percutaneous nephrolithotomy as surgical management for large renal pelvic calculi: a meta-analysis (Provisional abstract)      
Laparoscopic radical hysterectomy with pelvic lymphadenectomy in early invasive cervical cancer (Provisional abstract)      
Laparoscopic radical prostatectomy: accelerated systematic review (Structured abstract)      
Laparoscopic renal cryoablation versus laparoscopic partial nephrectomy for the treatment of small renal masses: a systematic review and meta-analysis of comparative studies (Provisional abstract)      
Laparoscopic repair of perforated peptic ulcer: a meta-analysis (Structured abstract)      
Laparoscopic revision of failed antireflux surgery: a systematic review (Provisional abstract)      
Laparoscopic right colectomy: a systematic review and meta-analysis of observational studies comparing two types of anastomosis (Provisional abstract)      
Laparoscopic Roux-en-Y gastric bypass or laparoscopic sleeve gastrectomy as revisional procedure after adjustable gastric band ? a systematic review (Provisional abstract)      
Laparoscopic Roux-en-Y gastric bypass vs. laparoscopic sleeve gastrectomy for morbid obesity and diabetes mellitus: a meta-analysis of sixteen recent studies (Provisional abstract)      
Laparoscopic sigmoid resection with transrectal specimen extraction: a systematic review (Provisional abstract)      
Laparoscopic sleeve gastrectomy compared with other bariatric surgical procedures: a systematic review of randomized trials (Provisional abstract)      
Laparoscopic sleeve gastrectomy versus laparoscopic roux-en-Y gastric bypass for morbid obesity and related comorbidities: a meta-analysis of 21 studies (Provisional abstract)      
Laparoscopic splenectomy with or without devascularization of the stomach for liver cirrhosis and portal hypertension: a systematic review (Provisional abstract)      
Laparoscopic staging and surgery for cervical cancer: a systematic review (Provisional abstract)      
Laparoscopic surgery compared with open surgery decreases surgical site infection in obese patients: a systematic review and meta-analysis (Provisional abstract)      
Laparoscopic surgery for colon cancer: a systematic review (Structured abstract)      
Laparoscopic surgery for Crohn's Disease: a meta-analysis of perioperative complications and long term outcomes compared with open surgery (Provisional abstract)      
Laparoscopic surgery for Crohn's disease: a meta-analysis (Structured abstract)      
Laparoscopic surgery for inguinal hernia repair: systematic review of effectiveness and economic evaluation (Provisional abstract)      
Laparoscopic surgery for subfertility related to endometriosis: a meta-analysis (Provisional abstract)      New 
Laparoscopic surgery for ulcerative colitis: a meta-analysis (Structured abstract)      
Laparoscopic surgery is not inherently dangerous for patients presenting with benign gynaecologic pathology: results of a meta-analysis (Structured abstract)      
Laparoscopic surgery versus laparotomy for women with polycystic ovarian syndrome: a systematic review (Provisional abstract)      
Laparoscopic total gastrectomy versus open total gastrectomy for cancer: a systematic review and meta-analysis (Provisional abstract)      
Laparoscopic total mesorectal excision: early and late results (Provisional abstract)      
Laparoscopic total mesorectal excision versus open total mesorectal excision for rectal cancer: a meta-analysis (Provisional abstract)      New 
Laparoscopic treatment for endometrial cancer: a meta-analysis of randomized controlled trials (RCTs) (Structured abstract)      
Laparoscopic treatment of colovesical fistulas due to complicated colonic diverticular disease: a systematic review (Provisional abstract)      
Laparoscopic treatment of endometrial cancer: systematic review (Structured abstract)      
Laparoscopic treatment of intussusception in children: a systematic review (Provisional abstract)      
Laparoscopic treatment of Mirizzi syndrome: a systematic review (Structured abstract)      
Laparoscopic ultrasonography versus intra-operative cholangiogram for the detection of common bile duct stones during laparoscopic cholecystectomy: a meta-analysis of diagnostic accuracy (Provisional abstract)      
Laparoscopic uterosacral nerve ablation in chronic pelvic pain: an overview (Structured abstract)      
Laparoscopic vascular surgery: a systematic review (Provisional abstract)      
Laparoscopic ventral hernia repair: a systematic review (Structured abstract)      
Laparoscopic ventral hernia repair: an accelerated systematic review (Provisional abstract)      
Laparoscopic ventral hernia repair: is there an optimal mesh fixation technique? A systematic review (Provisional abstract)      
Laparoscopic versus conventional appendectomy: a meta-analysis of randomized controlled trials (Structured abstract)      
Laparoscopic versus conventional open resection for early distal gastric cancer: a meta-analysis on short-term outcomes (Provisional abstract)      
Laparoscopic versus conventional open surgery for immune function in patients with colorectal cancer (Provisional abstract)      
Laparoscopic versus endoscopic management of choledocholithiasis in patients undergoing laparoscopic cholecystectomy: a meta-analysis (Provisional abstract)      
Laparoscopic versus open adhesiolysis in patients with adhesive small bowel obstruction: a systematic review and meta-analysis (Structured abstract)      
Laparoscopic versus open adrenalectomy for stage I/II adrenocortical carcinoma: meta-analysis of outcomes (Provisional abstract)      New 
Laparoscopic versus open appendectomy: a metaanalysis (Structured abstract)      
Laparoscopic versus open appendectomy for acute appendicitis: a metaanalysis (Structured abstract)      
Laparoscopic versus open appendectomy for complicated and uncomplicated appendicitis in children (Provisional abstract)      
Laparoscopic versus open appendectomy in adults with complicated appendicitis: systematic review and meta-analysis (Structured abstract)      
Laparoscopic versus open appendectomy in children: a meta-analysis (Structured abstract)      
Laparoscopic versus open appendectomy in obese patients: a meta-analysis of prospective and retrospective studies (Provisional abstract)      
Laparoscopic versus open appendicectomy in obese patients (Provisional abstract)      
Laparoscopic versus open catheter placement in peritoneal dialysis patients: a systematic review and meta-analysis (Provisional abstract)      
Laparoscopic versus open colorectal resection for cancer: a meta-analysis of results of randomized controlled trials on recurrence (Structured abstract)      
Laparoscopic versus open colorectal resection in the elderly population (Provisional abstract)      
Laparoscopic versus open colorectal surgery within enhanced recovery after surgery programs: a systematic review and meta-analysis of randomized controlled trials (Provisional abstract)      New 
Laparoscopic versus open colposuspension for urodynamic stress incontinence (Provisional abstract)      
Laparoscopic versus open distal gastrectomy for gastric cancer: a meta-analysis of randomized controlled trials and high-quality nonrandomized studies (Structured abstract)      
Laparoscopic versus open distal pancreatectomy: a meta-analysis (Provisional abstract)      
Laparoscopic versus open distal pancreatectomy: a systematic review of comparative studies (Structured abstract)      
Laparoscopic versus open gastrectomy for early distal gastric cancer: a meta-analysis (Structured abstract)      
Laparoscopic versus open gastrectomy for early gastric cancer in Asia: a meta-analysis (Provisional abstract)      
Laparoscopic versus open gastrectomy with D2 lymph node dissection for gastric cancer: a meta-analysis (Structured abstract)      
Laparoscopic versus open gastric resections for gastric gastrointestinal stromal tumors: a meta-analysis (Provisional abstract)      
Laparoscopic versus open groin hernia repair: meta-analysis of randomised trials based on individual patient data (Structured abstract)      
Laparoscopic versus open hepatectomy with or without synchronous colectomy for colorectal liver metastasis: a meta-analysis (Provisional abstract)      
Laparoscopic versus open hepatic resections for benign and malignant neoplasms: a meta-analysis (Structured abstract)      
Laparoscopic versus open incisional and ventral hernia repair: a systematic review and meta-analysis (Provisional abstract)      
Laparoscopic versus open inguinal herniotomy in infants and children: a meta-analysis (Provisional abstract)      
Laparoscopic versus open live donor nephrectomy in renal transplantation: a meta-analysis (Structured abstract)      
Laparoscopic versus open mesh repair for recurrent inguinal hernia: a meta-analysis of outcomes (Structured abstract)      
Laparoscopic versus open myomectomy: a meta-analysis of randomized controlled trials (Structured abstract)      
Laparoscopic versus open nephroureterectomy for the treatment of upper urinary tract urothelial carcinoma: a systematic review and cumulative analysis of comparative studies (Provisional abstract)      
Laparoscopic versus open orchiopexy for non-palpable undescended testes in children: a systemic review and meta-analysis (Provisional abstract)      
Laparoscopic versus open pancreas resection for pancreatic neuroendocrine tumours: a systematic review and meta-analysis (Provisional abstract)      
Laparoscopic versus open peritoneal dialysis catheter insertion: a meta-analysis (Provisional abstract)      
Laparoscopic versus open pyeloplasty for ureteropelvic junction obstruction in children: a systematic review and meta-analysis (Provisional abstract)      
Laparoscopic versus open radical cystectomy in bladder cancer: a systematic review and meta-analysis of comparative studies (Provisional abstract)      
Laparoscopic versus open repair of incisional/ventral hernia: a meta-analysis (Structured abstract)      
Laparoscopic versus open resection for colorectal cancer: a metaanalysis of oncologic outcomes (Structured abstract)      
Laparoscopic versus open resection for gastric gastrointestinal stromal tumors: a meta-analysis (Provisional abstract)      
Laparoscopic versus open resection for gastric gastrointestinal stromal tumors: an updated systematic review and meta-analysis (Provisional abstract)      
Laparoscopic versus open right hemicolectomy for colon cancer: a meta-analysis (Provisional abstract)      
Laparoscopic versus open splenectomy for portal hypertension: a systematic review of comparative studies (Provisional abstract)      
Laparoscopic versus open surgery following neoadjuvant chemoradiotherapy for rectal cancer: a systematic review and meta-analysis (Provisional abstract)      
Laparoscopic versus open surgery for colon cancer: a meta-analysis of 5-year follow-up outcomes (Provisional abstract)      
Laparoscopic versus open surgery for rectal cancer: a systematic review and meta-analysis of randomized controlled trials (Provisional abstract)      New 
Laparoscopic versus open surgery for rectal cancer: results of a systematic review and meta-analysis on clinical efficacy (Provisional abstract)      New 
Laparoscopic versus open total gastrectomy for gastric cancer: an updated meta-analysis (Provisional abstract)      
Laparoscopic versus open total gastrectomy with D2 dissection for gastric cancer: a meta-analysis (Provisional abstract)      
Laparoscopic versus open total mesorectal excision for middle and low rectal cancer: a meta-analysis of results of randomized controlled trials (Provisional abstract)      
Laparoscopic vs conventional appendectomy: a meta-analysis of randomised controlled trials (Structured abstract)      
Laparoscopic vs open appendectomy in older patients (Structured abstract)      
Laparoscopic vs open appendectomy: systematic review of medical efficacy and health economic analysis (Provisional abstract)      
Laparoscopic vs open approach to resection of hepatocellular carcinoma in patients with known cirrhosis: systematic review and meta-analysis (Provisional abstract)      
Laparoscopic vs. open cholecystectomy for cirrhotic patients: a systematic review and meta-analysis (Provisional abstract)      
Laparoscopic vs open D2 gastrectomy for locally advanced gastric cancer: a meta-analysis (Provisional abstract)      New 
Laparoscopic vs open hepatic resection for benign and malignant tumors: an updated meta-analysis (Structured abstract)      
Laparoscopic vs open herniorrhaphy in the management of pediatric inguinal hernia: a systemic review and meta-analysis (Provisional abstract)      
Laparoscopic vs. open liver resection for malignant liver disease. A systematic review (Structured abstract)      
Laparoscopic vs open pyloromyotomy: a systematic review and meta-analysis (Structured abstract)      
Laparoscopic vs open resection for rectal cancer: a meta-analysis of randomized clinical trials (Structured abstract)      
Laparoscopic vs open subtotal colectomy for benign and malignant disease (Structured abstract)      
Laparoscopic vs. open surgery for diverticular disease: a meta-analysis of nonrandomized studies (Structured abstract)      
Laparoscopic vs open total gastrectomy for gastric cancer: a meta-analysis (Provisional abstract)      
Laparoscopically assisted vaginal hysterectomy vs vaginal hysterectomy: meta analysis (Provisional abstract)      
Laparoscopically assisted vaginal radical hysterectomy: systematic review of the literature (Provisional abstract)      
Laparoscopically assisted versus open surgery for endometrial cancer: a meta-analysis of randomized controlled trials (Structured abstract)      
Laparoscopy-assisted gastrectomy versus open gastrectomy for resectable gastric cancer: an update meta-analysis based on randomized controlled trials (Provisional abstract)      
Laparoscopy-assisted versus open distal gastrectomy for early gastric cancer: evidence from randomized and nonrandomized clinical trials (Structured abstract)      
Laparoscopy-assisted versus open gastrectomy with D2 lymph node dissection for advanced gastric cancer: a meta-analysis (Provisional abstract)      
Laparoscopy-assisted versus open total gastrectomy for gastric cancer: a meta-analysis (Provisional abstract)      
Laparoscopy for extraperitoneal rectal cancer reduces short-term morbidity: results of a systematic review and meta-analysis (Provisional abstract)      
Laparoscopy for rectal cancer is oncologically adequate: a systematic review and meta-analysis of the literature (Provisional abstract)      
Laparoscopy for rectal cancer reduces short-term mortality and morbidity: results of a systematic review and meta-analysis (Provisional abstract)      
Laparoscopy for ventriculoperitoneal shunt implantation and revision surgery (Provisional abstract)      New 
Laparoscopy or laparotomy for distal tubal surgery: a meta-analysis (Structured abstract)      
Laparoscopy or not: a meta-analysis of the surgical effects of laparoscopic versus open appendicectomy (Provisional abstract)      
Laparoscopy versus laparotomy for benign ovarian tumor: a systematic review and meta-analysis (Structured abstract)      
Laparoscopy versus laparotomy for ectopic pregnancy: a systematic review (Provisional abstract)      
Laparoscopy versus laparotomy in the repair of ventral hernias: systematic review and meta-analysis (Provisional abstract)      New 
Laparoscopy versus open distal gastrectomy for advanced gastric cancer: a systematic review and meta-analysis (Provisional abstract)      
Laparoscopy versus open distal gastrectomy for advanced gastric cancer: a systematic review and meta-analysis (Provisional abstract)      
Laparoscopy versus open surgery for advanced and resectable gastric cancer: a meta-analysis (Structured abstract)      
Lapatinib and HER2 status: results of a meta-analysis of randomized phase III trials in metastatic breast cancer (Structured abstract)      
Lapatinib and trastuzumab in combination with an aromatase inhibitor for the first-line treatment of metastatic hormone receptor-positive breast cancer which over-expresses human epidermal growth factor 2 (HER2): a systematic review and economic analysis (Structured abstract)      
Lapatinib for treatment of advanced or metastasized breast cancer: systematic review (Structured abstract)      
Lapatinib plus adjuvant chemotherapy for metastatic and HER-2 positive advanced breast cancer patients: a meta-analysis (Provisional abstract)      
Lapatinib plus chemotherapy or endocrine therapy (CET) versus CET alone in the treatment of HER-2-overexpressing locally advanced or metastatic breast cancer: systematic review and meta-analysis (Provisional abstract)      
Lapatinib, trastuzumab or the combination added to preoperative chemotherapy for breast cancer: a meta-analysis of randomized evidence (Structured abstract)      
Large balloon dilation post endoscopic sphincterotomy in removal of difficult common bile duct stones: a literature review (Provisional abstract)      
Large dosage of chishao in formulae for cholestatic hepatitis: a systematic review and meta-analysis (Provisional abstract)      
Large dosage of chishao in formulae for cholestatic hepatitis: a systematic review and meta-analysis (Provisional abstract)      
Large scale meta-analyses of fasting plasma glucose raising variants in GCK, GCKR, MTNR1B and G6PC2 and their impacts on type 2 diabetes mellitus risk (Provisional abstract)      
Large-scale observational studies of hypericum extracts in patients with depressive disorders: a systematic review (Structured abstract)      
Large variations in risk of hepatocellular carcinoma and mortality in treatment naive hepatitis B patients: systematic review with meta-analyses (Provisional abstract)      New 
Laronidase for treating mucopolysaccharidosis type I (Provisional abstract)      
Laryngeal mask airway versus endotracheal tubes for airway management during general anesthesia in children: a meta-analysis (Provisional abstract)      
Laryngeal mask airway vs the endotracheal tube in paediatric airway management: a meta-analysis of prospective randomised controlled trials (Provisional abstract)      
Laryngeal mask airways have a lower risk of airway complications compared with endotracheal intubation: a systematic review (Structured abstract)      
Laryngeal mask utilization in patients with cardiopulmonary arrest: a systematic review (Provisional abstract)      New 
Laser and intense pulsed light therapy for the treatment of hypertrophic scars: a systematic review (Provisional abstract)      
Laser and other light therapies for the treatment of acne vulgaris: systematic review (Structured abstract)      
Laser-assisted pulpotomy in primary teeth: a systematic review (Provisional abstract)      
Laser-assisted subepithelial keratectomy versus epipolis laser in situ keratomileusis for myopia: a meta-analysis of clinical outcomes (Provisional abstract)      
Laser-assisted subepithelial keratectomy versus laser in situ keratomileusis in myopia: a systematic review and meta-analysis (Provisional abstract)      
Laser in situ keratomileusis (LASIK) versus laser epithelial keratomileusis (LASEK) for correction of myopia: a systematic review (Provisional abstract)      
Laser interstitial thermal therapy with and without MRI guidance for treatment of brain neoplasms a systematic review of the literature (Provisional abstract)      
Laser prostatectomy versus transurethral resection for treating benign prostatic obstruction: a systematic review (Structured abstract)      
Laser resurfacing of the skin for the improvement of facial acne scarring: a systematic review of the evidence (Structured abstract)      
Laser resurfacing of the skin for the improvement of facial acne scarring (Structured abstract)      
Laser therapy for prevention and treatment of pathologic excessive scars (Provisional abstract)      
Laser therapy for the treatment of Hailey-Hailey disease: a systematic review with focus on carbon dioxide laser resurfacing (Provisional abstract)      New 
Laser therapy in the control of oral mucositis: a meta-analysis. (Provisional abstract)      
Laser versus conventional fenestration in stapedotomy for otosclerosis: a systematic review (Provisional abstract)      
Laser versus non-laser stapedotomy in otosclerosis: a systematic review and meta-analysis (Provisional abstract)      
Lasers for the treatment of dentin hypersensitivity: a meta-analysis (Provisional abstract)      
Latarjet, Bristow, and Eden-Hybinette procedures for anterior shoulder dislocation: systematic review and quantitative synthesis of the literature (Provisional abstract)      
Late and very late stent thrombosis in patients with second-generation drug-eluting stents (Provisional abstract)      
Late course accelerated hyperfractionation radiotherapy for locally advanced esophageal squamous cell carcinoma (Provisional abstract)      
Late course accelerated hyperfrationation radiotherapy plus chemotherapy for esophageal carcinoma: a meta-analysis (Provisional abstract)      
Late gadolinium enhancement CMR predicts adverse cardiovascular outcomes and mortality in patients with coronary artery disease: systematic review and meta-analysis (Provisional abstract)      
Late gadolinium enhancement on cardiac magnetic resonance predicts adverse cardiovascular outcomes in nonischemic cardiomyopathy: a systematic review and meta-analysis (Provisional abstract)      
Late morbidity after treatment of breast cancer in relation to daily activities and quality of life: a systematic review (Provisional abstract)      
Late morbidity associated with a tumour-negative sentinel lymph node biopsy in primary breast cancer patients: a systematic review (Structured abstract)      
Late-night salivary cortisol for the diagnosis of Cushing syndrome: a meta -analysis (Structured abstract)      
Late onset Mycobacterium tuberculosis infection after total knee arthroplasty: a systematic review and pooled analysis (Provisional abstract)      
Late percutaneous coronary intervention for the totally occluded infarct-related artery: a meta-analysis of the effects on cardiac function and remodeling (Structured abstract)      
Late stent malapposition risk is higher after drug-eluting stent compared with bare-metal stent implantation and associates with late stent thrombosis (Structured abstract)      
Late thrombosis after double versus single drug-eluting stent in the treatment of coronary bifurcations: a meta-analysis of randomized and observational studies (Provisional abstract)      
Late thrombosis of drug-eluting stents: a meta-analysis of randomized clinical trials (Structured abstract)      
Late umbilical cord-clamping as an intervention for reducing iron deficiency anaemia in term infants in developing and industrialised countries: a systematic review (Provisional abstract)      
Late vs early clamping of the umbilical cord in full-term neonates: systematic review and meta-analysis of controlled trials (Structured abstract)      
Lateral lymph node dissection with radical surgery versus single radical surgery for rectal cancer: a meta analysis (Provisional abstract)      
Lateral neck dissection for well-differentiated thyroid carcinoma: a systematic review (Provisional abstract)      
Lateral X-ray view of the skull for the diagnosis of adenoid hypertrophy: a systematic review (Provisional abstract)      
Latin American consensus on chronic constipation (Provisional abstract)      
Lavage therapy versus nonsurgical therapy for the treatment of arthralgia of the temporomandibular joint: a systematic review of randomized controlled trials (Provisional abstract)      
Laxatives as a risk factor for iatrogenic falls in elderly subjects: myth or reality? (Provisional abstract)      
Lay health advisor interventions among Hispanics/Latinos: a qualitative systematic review (Structured abstract)      
Lay perspectives on hypertension and drug adherence: systematic review of qualitative research (Provisional abstract)      
Lay workers for improving the uptake of childhood immunization (Structured abstract)      
Layperson trauma training in low- and middle-income countries: a review (Provisional abstract)      
LDH5 overexpression is associated with poor survival in patients with solid tumors: a meta-analysis (Provisional abstract)      
LDL-cholesterol-lowering effect of plant sterols and stanols across different dose ranges: a meta-analysis of randomised controlled studies (Provisional abstract)      
Le Fort III distraction osteogenesis versus conventional Le Fort III osteotomy in correction of syndromic midfacial hypoplasia: a systematic review (Provisional abstract)      
Learning from success and failure in psychosocial intervention: an evaluation of low birth weight prevention trials (Structured abstract)      
Lecithin/sphingomyelin ratio and lamellar body count for fetal lung maturity: a meta-analysis (Provisional abstract)      
Leflunomide: a new disease modifying drug for rheumatoid arthritis (Structured abstract)      
Leflunomide and rheumatoid arthritis: a systematic review of effectiveness, safety and cost implications (Structured abstract)      
Leflunomide in monotherapy of rheumatoid arthritis: meta-analysis of randomized trials (Structured abstract)      
Left main coronary artery stenosis: a meta-analysis of drug-eluting stents versus coronary artery bypass grafting (Provisional abstract)      
Left radial access for percutaneous coronary procedures: from neglected to performer? A meta-analysis of 14 studies including 7603 procedures (Provisional abstract)      
Left radial access is preferable to right radial access for the diagnostic or interventional coronary procedures: a meta-analysis involving 22 randomized clinical trials and 10287 patients (Provisional abstract)      
Left ventricular assist devices and gastrointestinal bleeding: a narrative review of case reports and case series (Provisional abstract)      
Left-ventricular assist devices as destination therapy for end-stage heart failure (Provisional abstract)      
Left ventricular assist devices (LVADs) for end stage heart failure (Structured abstract)      
Left ventricular assist devices (Structured abstract)      
Left versus right repetitive transcranial magnetic stimulation in treating major depression: a meta-analysis of randomised controlled trials (Provisional abstract)      
Leg actigraphy to quantify periodic limb movements of sleep: a systematic review and meta-analysis (Provisional abstract)      
Legislative, educational, policy and other interventions targeting physicians' interaction with pharmaceutical companies: a systematic review (Provisional abstract)      
Leisure-time physical activity and the risk of metabolic syndrome: meta-analysis (Provisional abstract)      
Lenalidomide plus dexamethasone for relapsed or refractory multiple myeloma: a systematic review (Provisional abstract)      
Lenalidomide treatment for multiple myeloma: systematic review and meta-analysis of randomized controlled trials (Provisional abstract)      
Lenalidomide versus thalidomide based regimens as first-line therapy for patients with multiple myeloma (Provisional abstract)      
Length of stay and treatment completion for mothers with substance abuse issues in integrated treatment programmes (Structured abstract)      
Lentinan for patients with advanced gastric cancer: a systematic review (Provisional abstract)      
Lentinan for treatment of malignant pleural effusion: a meta-analysis of randomized controlled trials (Provisional abstract)      
LEP gene variant is associated with prostate cancer but not with colorectal cancer (Provisional abstract)      
Leprosy serology using PGL-I: a systematic review (Provisional abstract)      
Leptin replacement therapy for the treatment of non-HAART associated lipodystrophy syndromes: a meta-analysis into the effects of leptin on metabolic and hepatic endpoints (Provisional abstract)      New 
Les contraceptifs a base de desogestrel: la pilule parfaite pour les lipides? [Contraceptives containing desogestrel: the perfect pill for lipid control] (Structured abstract)      
Les visites a domicile pendant la grossesse: revue des essais randomises et questions soulevees [Home visits during pregnancy: review of randomized trials and open questions] (Structured abstract)      
Lesbian, gay, bisexual, and transgender parents seeking health care for their children: a systematic review of the literature (Structured abstract)      New 
Lessons from aprotinin: is the routine use and inconsistent dosing of tranexamic acid prudent? Meta-analysis of randomised and large matched observational studies (Structured abstract)      
Lessons from ximelagatran: issues for future studies evaluating new oral direct thrombin inhibitors for venous thromboembolism prophylaxis in orthopedic surgery (Structured abstract)      
Lessons learned from a review of interventions for adolescent and young key populations in Asia Pacific and opportunities for programming (Provisional abstract)      
Letrozole: a review of its use in postmenopausal women with advanced breast cancer (Structured abstract)      
Letrozole: an updated review of its use in postmenopausal women with advanced breast cancer (Provisional abstract)      
Letrozole for ovulation induction in women with polycystic ovarian syndrome: a systematic analysis (Provisional abstract)      
Letrozole versus clomiphene citrate for unexplained infertility: a systematic review and meta-analysis (Provisional abstract)      
Leucocyte esterase reagent strips for the diagnosis of spontaneous bacterial peritonitis: a systematic review (Structured abstract)      
Leucocyte telomere length and risk of type 2 diabetes mellitus: new prospective cohort study and literature-based meta-analysis (Provisional abstract)      New 
Leukapheresis and low-dose chemotherapy do not reduce early mortality in acute myeloid leukemia hyperleukocytosis: a systematic review and meta-analysis (Provisional abstract)      
Leukoreduction: the techniques used, their effectiveness and costs (Structured abstract)      
Leukotriene antagonists in nasal polyposis: a meta-analysis and systematic review (Provisional abstract)      
Leukotriene receptor antagonists for allergic rhinitis: a systematic review and meta-analysis (Provisional abstract)      
Leukotriene receptor antagonists for small-airway abnormalities in asthmatics: a systematic review and meta-analysis (Provisional abstract)      
Leukotriene receptor antagonists in allergic eye disease: a systematic review and meta-analysis (Provisional abstract)      
Levalbuterol versus albuterol for acute asthma: a systematic review and meta-analysis (Provisional abstract)      
Level of evidence in anterior cruciate ligament reconstruction research: a systematic review (Provisional abstract)      
Level of response and safety of pharmacological monotherapy in the treatment of acute bipolar I disorder phases: a systematic review and meta-analysis (Structured abstract)      
Level of serum neurone specific enolase and prognosis in small cell lung cancer: a systematic review (Provisional abstract)      
Levels of evidence for the outcome of regenerative endodontic therapy (Provisional abstract)      
Levetiracetam as alternative stage two antiepileptic drug in status epilepticus: a systematic review (Provisional abstract)      
Levetiracetam, oxcarbazepine, remacemide and zonisamide for drug resistant localization-related epilepsy: a systematic review (Structured abstract)      
Levodopa for idiopathic restless legs syndrome: evidence-based review (Structured abstract)      
Levodropropizine in the management of cough associated with cancer or nonmalignant chronic disease: a systematic review (Provisional abstract)      
Levofloxacin and proton pump inhibitor-based triple therapy versus standard triple first-line therapy for Helicobacter pylori eradication (Provisional abstract)      
Levofloxacin-based first-line therapy versus standard first-line therapy for helicobacter pylori eradication: meta-analysis of randomized controlled trials (Provisional abstract)      
Levofloxacin-based triple therapy versus bismuth-based quadruple therapy for persistent Helicobacter pylori infection: a meta-analysis (Structured abstract)      
Levofloxacin in the treatment of complicated urinary tract infections and acute pyelonephritis (Provisional abstract)      
Levonorgestrel-releasing (20 microgram/day) intrauterine systems (Mirena) compared with other methods of reversible contraceptives (Structured abstract)      
Levonorgestrel-releasing intrauterine system and endometrial ablation in heavy menstrual bleeding: a systematic review and meta-analysis (Structured abstract)      
The levonorgestrel-releasing intrauterine system in heavy menstrual bleeding: a benefit-risk review (Provisional abstract)      
Levonorgestrel-releasing intrauterine system use in premenopausal women with symptomatic uterine leiomyoma: a systematic review (Provisional abstract)      
Levonorgestrel-releasing intrauterine system versus medical therapy for menorrhagia: a systematic review and meta-analysis (Provisional abstract)      New 
Levosimendan and mortality after coronary revascularisation: a meta-analysis of randomised controlled trials (Provisional abstract)      
Levosimendan for the treatment of acute severe heart failure: a meta-analysis of randomised controlled trials (Structured abstract)      
Levosimendan reduces cardiac troponin release after cardiac surgery: a meta-analysis of randomized controlled studies (Structured abstract)      
Levosimendan reduces mortality in critically ill patients: a meta-analysis of randomized controlled studies (Structured abstract)      
Levosimendan versus dobutamine in critically ill patients: a meta-analysis of randomized controlled trials (Provisional abstract)      
Levothyroxine treatment and pregnancy outcome in women with subclinical hypothyroidism undergoing assisted reproduction technologies: systematic review and meta-analysis of RCTs (Provisional abstract)      
Liberal versus restricted fluid resuscitation strategies in trauma patients: a systematic review and meta-analysis of randomized controlled trials and observational studies (Provisional abstract)      
'Liberal' vs 'restrictive' perioperative fluid therapy: a critical assessment of the evidence (Structured abstract)      
Lidocaine 2% gel versus plain lubricating gel for pain reduction during flexible cystoscopy: a meta-analysis of prospective, randomized, controlled trials (Structured abstract)      
Lidocaine-prilocaine cream versus tetracaine gel for procedural pain in children (Structured abstract)      
Life support courses: are they effective? (Structured abstract)      
Life-threatening adverse reactions after acupuncture: a systematic review (Structured abstract)      
Life-threatening dermatologic adverse events in oncology (Provisional abstract)      
Lifestyle and medication interventions for the prevention or delay of type 2 diabetes mellitus in prediabetes: a systematic review of randomised controlled trials (Structured abstract)      
Lifestyle-focused interventions at the workplace to reduce the risk of cardiovascular disease: a systematic review (Structured abstract)      
Lifestyle health promotion interventions for the nursing workforce: a systematic review (Structured abstract)      
Lifestyle intervention for preventing weight gain in young adults: a systematic review and meta-analysis of RCTs (Structured abstract)      
Lifestyle interventions for adults with serious mental illness: a systematic literature review (Structured abstract)      
Lifestyle interventions for four conditions: type 2 diabetes, metabolic syndrome, breast cancer, and prostate cancer (Provisional abstract)      New 
Lifestyle interventions for hypertension and dyslipidemia among women of reproductive age (Structured abstract)      
Lifestyle interventions for overweight and obese pregnant women to improve pregnancy outcome: systematic review and meta-analysis (Structured abstract)      
Lifestyle interventions for patients with and at risk for type 2 diabetes: a systematic review and meta-analysis (Structured abstract)      
Lifestyle interventions for secondary disease prevention in stroke and transient ischaemic attack: a systematic review (Provisional abstract)      
Lifestyle interventions for the treatment of non-alcoholic fatty liver disease in adults: a systematic review (Provisional abstract)      
Lifestyle interventions in patients with coronary heart disease: a systematic review (Provisional abstract)      
Lifestyle interventions in primary care: systematic review of randomized controlled trials (Structured abstract)      
Lifestyle interventions in the treatment of childhood overweight: a meta-analytic review of randomized controlled trials (Provisional abstract)      
Lifestyle interventions or drugs for patients with essential hypertension: a systematic review (Structured abstract)      
Lifestyle interventions targeting changes in body weight and composition among youth with an intellectual disability: A systematic review (Provisional abstract)      
Lifestyle interventions to prevent osteoporotic fractures: a systematic review (Structured abstract)      
Lifestyle interventions to reduce raised blood pressure: a systematic review of randomized controlled trials (Structured abstract)      
Lifestyle modification for metabolic syndrome: a systematic review (Provisional abstract)      
Lifestyle modification programmes for patients with coronary heart disease: a systematic review and meta-analysis of randomized controlled trials (Provisional abstract)      
Lifestyle modification programs in polycystic ovary syndrome: systematic review and meta-analysis (Provisional abstract)      
Lifestyle risk reduction interventions in atrial fibrillation: a systematic review (Structured abstract)      
Ligamentum teres injuries of the hip: a systematic review examining surgical indications, treatment options, and outcomes (Provisional abstract)      New 
Ligasure versus stapled hemorrhoidectomy in the treatment of hemorrhoids: a meta-analysis of randomized control trials (Provisional abstract)      
Ligation of intersphincteric fistula tract (LIFT) to treat anal fistula: systematic review and meta-analysis (Provisional abstract)      
Ligation of the intersphincteric fistula tract in the management of anal fistula: a systematic review (Provisional abstract)      
Light therapy for behavioural and psychological symptoms of dementia (Provisional abstract)      
Lightening the load? A systematic review of community pharmacy-based weight management interventions (Structured abstract)      
Lightweight versus heavyweight in inguinal hernia repair: a meta-analysis (Provisional abstract)      
Lightweight versus heavyweight mesh in laparoscopic inguinal hernia repair: a meta-analysis (Structured abstract)      
Ligustrazine injection for chronic pulmonary heart disease: a systematic review and meta-analysis (Provisional abstract)      
The likelihood of live birth and multiple birth after single versus double embryo transfer at the cleavage stage: a systematic review and meta-analysis (Provisional abstract)      
Limbal stem cell transplantation: an evidence-based analysis (Provisional abstract)      
Limitations of patient satisfaction studies in telehealthcare: a systematic review of the literature (Structured abstract)      
The limitations of the clinical oral examination in detecting dysplastic oral lesions and oral squamous cell carcinoma (Provisional abstract)      
The limitations of the clinical oral examination in detecting dysplastic oral lesions and oral squamous cell carcinoma (Provisional abstract)      
Limitations of transesophageal echocardiography in the risk assessment of patients before nonanticoagulated cardioversion from atrial fibrillation and flutter: an analysis of pooled trials (Structured abstract)      
Limited benefit of antiretroviral resistance testing in treatment-experienced patients: a meta-analysis (Provisional abstract)      
Limited bone loss due to corticosteroids: a systematic review of prospective studies in rheumatoid arthritis and other diseases (Structured abstract)      
Limited diagnostic value of microRNAs for detecting colorectal cancer: a meta-analysis (Provisional abstract)      
The limited effect of omega-3 polyunsaturated fatty acids on cardiovascular risk in patients with impaired glucose metabolism: a meta-analysis (Provisional abstract)      
Limited evidence for a protective effect of unopposed oestrogen therapy for osteoarthritis of the hip: a systematic review (Structured abstract)      
Limited evidence for calcium supplementation in preeclampsia prevention: a meta-analysis and systematic review (Provisional abstract)      New 
Limited evidence for effects of intranasal corticosteroids on symptom relief for recurrent acute rhinosinusitis (Provisional abstract)      
Limited evidence for in-home comprehensive geriatric assessment: a review of literature (Provisional abstract)      
Limited evidence for intranasal fentanyl in the emergency department and the prehospital setting ? a systematic review (Provisional abstract)      
Limited evidence for the effect of sodium fluoride on deterioration of hearing loss in patients with otosclerosis: a systematic review of the literature (Provisional abstract)      
Limited evidence for the effectiveness of educational interventions for renal transplant recipients. Results from a systematic review of controlled clinical trials (Structured abstract)      
Limited evidence for the use of imaging to detect prostate cancer: a systematic review (Provisional abstract)      
Limited evidence: higher efficacy of nasal saline irrigation over nasal saline spray in chronic rhinosinusitis ? an update and reanalysis of the evidence base (Provisional abstract)      
Limited evidence of the effects of patient education and self-management interventions in psoriasis patients: a systematic review (Provisional abstract)      
Limited knowledge on progestogen-only contraception and risk of venous thromboembolism (Structured abstract)      
Limited scientific evidence supports the use of conservative treatment interventions for pain and function in patients with subacromial impingement syndrome: randomized control trials (Provisional abstract)      
Limited value of alarm features in the diagnosis of upper gastrointestinal malignancy: systematic review and meta-analysis (Provisional abstract)      
Limits of meta-analysis: methylphenidate in the treatment of adult attention-deficit hyperactivity disorder (Structured abstract)      
Linaclotide: a new drug for the treatment of chronic constipation and irritable bowel syndrome with constipation (Provisional abstract)      
Linear-stapled versus circular-stapled laparoscopic gastrojejunal anastomosis in morbid obesity: meta-analysis (Provisional abstract)      
Linezolid for the treatment of adults with bone and joint infections (Provisional abstract)      
Linezolid for the treatment of complicated drug-resistant tuberculosis: a systematic review and meta-analysis (Provisional abstract)      
Linezolid for the treatment of multi-drug and extensively drug resistant tuberculosis: a systematic review on efficacy and toxicity (Provisional abstract)      
Linezolid for the treatment of patients with central nervous system infection (Structured abstract)      
Linezolid for the treatment of patients with endocarditis: a systematic review of the published evidence (Structured abstract)      
Linezolid versus glycopeptide or beta-lactam for treatment of Gram-positive bacterial infections: meta-analysis of randomised controlled trials (Structured abstract)      
Linezolid versus teicoplanin for MRSA pneumonia: a meta-analysis (Provisional abstract)      
Linezolid versus vancomycin for gram-positive bacteraemia: a systematic review (Provisional abstract)      
Linezolid versus vancomycin for meticillin-resistant Staphylococcus aureus infection: A meta-analysis of randomised controlled trials (Provisional abstract)      
Linezolid versus vancomycin for MRSA skin and soft tissue infections (systematic review and meta-analysis) (Structured abstract)      
Linezolid versus vancomycin for Staphylococcus aureus bacteraemia: pooled analysis of randomized studies (Structured abstract)      
Linezolid versus vancomycin for the treatment of Gram-positive bacterial infections: meta-analysis of randomised controlled trials (Structured abstract)      
Linezolid versus vancomycin for treatment of Gram-positive cocci infections: meta-analysis of randomised controlled trials (Provisional abstract)      
Linezolid versus vancomycin in the treatment of pneumonia caused by Gram-positive cocci: meta-analysis of randomised controlled trials (Provisional abstract)      
Linezolid versus vancomycin or teicoplanin for nosocomial pneumonia: a systematic review and meta-analysis (Structured abstract)      
Linezolid versus vancomycin or teicoplanin for nosocomial pneumonia: meta-analysis of randomised controlled trials (Provisional abstract)      
Linezolid vs glycopeptide antibiotics for the treatment of suspected methicillin-resistant Staphylococcus aureus nosocomial pneumonia: a meta-analysis of randomized controlled trials (Provisional abstract)      
Lingual flap retraction and prevention of lingual nerve damage associated with third molar surgery: a systematic review of the literature (Structured abstract)      
Lingual split versus surgical bur technique in the extraction of impacted mandibular third molars: a systematic review (Provisional abstract)      
Linking evidence to treatment for denture stomatitis: a meta-analysis of randomized controlled trials (Provisional abstract)      
Linking family planning with HIV/AIDS interventions: a systematic review of the evidence (Structured abstract)      
Linking sexual and reproductive health and HIV interventions: a systematic review (Provisional abstract)      
Linking women who test HIV-positive in pregnancy-related services to long-term HIV care and treatment services: a systematic review (Provisional abstract)      
Lipid-lowering interventions in angiographic trials (Structured abstract)      
Lipid-lowering therapy in patients with renal disease (Structured abstract)      
Lipid-lowering therapy in persons with chronic kidney disease: a systematic review and meta-analysis (Structured abstract)      
Lipid management in the prevention of stroke: a meta-analysis of fibrates for stroke prevention (Provisional abstract)      
Lipid management in the prevention of stroke: review and updated meta-analysis of statins for stroke prevention (Structured abstract)      
Lipid-modifying therapies and risk of pancreatitis: a meta-analysis (Structured abstract)      
Lipid-modifying therapy for metabolic syndrome: a systematic review (Provisional abstract)      
Lipid profile changes in patients with rheumatic diseases receiving a treatment with TNF-alpha blockers: a meta-analysis of prospective studies (Provisional abstract)      
Lipid profiles in HIV-infected adults receiving atazanavir and atazanavir/ritonavir: systematic review and meta-analysis of randomized controlled trials (Provisional abstract)      
Lipid-related markers and cardiovascular disease prediction (Provisional abstract)      
Lipids behavior and adverse effects for oral antidiabetic agents in patients with type2 diabetes treated with sulfonylureas alone based on systematic review (Provisional abstract)      
Lipoprotein(a) concentration and the risk of coronary heart disease, stroke, and nonvascular mortality (Structured abstract)      
Liposomal anthracyclines in the management of patients with HIV-positive Kaposi's sarcoma (Structured abstract)      
Liquid-based cytology and human papillomavirus testing to screen for cervical cancer: a systematic review for the US Preventive Services Task Force (Structured abstract)      
Liquid based cytology for cervical screening (Structured abstract)      
Liquid-based cytology in cervical screening: an updated rapid and systematic review and economic analysis (Structured abstract)      
A liquid film-forming acrylate for peri-wound protection: a systematic review and meta-analysis (3M Cavilon no-sting barrier film) (Structured abstract)      
Liquid versus foam sclerotherapy (Structured abstract)      
Liraglutide for the treatment of type 2 diabetes mellitus: a meta-analysis of randomized placebo-controlled trials (Provisional abstract)      New 
Lisdexamfetamine dimesylate in the treatment of attention-deficit/hyperactivity disorder: pharmacokinetics, efficacy and safety in children and adolescents (Provisional abstract)      
Literacy interventions for students with physical and developmental disabilities who use aided AAC devices: a systematic review (Structured abstract)      
Literature analysis of radiotherapy for esophageal cancer in China (Provisional abstract)      
Literature analysis of schistosomiasis control in Poyang Lake region (Provisional abstract)      
A literature assessment of the use of miscellaneous topical agents, growth factors, and skin equivalents for the treatment of pressure ulcers (Structured abstract)      
A literature-based meta-analysis of clinical risk factors for development of radiation induced pneumonitis (Provisional abstract)      
A literature-based meta-analysis taxane-based doublet versus single-agent taxane chemotherapy in patients with advanced breast cancer (Structured abstract)      
A literature-based systematic HuGE review and meta-analysis show that CASP gene family polymorphisms are associated with risk of lung cancer (Provisional abstract)      
A literature review of 18F-fluoride PET/CT and 18F-choline or 11C-choline PET/CT for detection of bone metastases in patients with prostate cancer (Provisional abstract)      
Literature review of back massage and similar techniques to promote sleep in elderly people (Provisional abstract)      
A literature review of cardiovascular disease management programs in managed care populations (Structured abstract)      
Literature review of efficacy of psychological interventions in the treatment of systemic lupus erythematosus (Provisional abstract)      
A literature review of intensive insulin therapy and mortality in critically ill patients (Structured abstract)      
Literature review of nursing practice in managing obesity in primary care: developments in the UK (Structured abstract)      
Literature review of pain management for people with chronic pain (Provisional abstract)      New 
A literature review of quality in lower gastrointestinal endoscopy from the patient perspective (Structured abstract)      
A literature review of randomized clinical trials of intravenous acetaminophen (paracetamol) for acute postoperative pain (Provisional abstract)      
A literature review of randomized controlled trials of the organization of care at the end of life (Structured abstract)      
A literature review of single agent treatment of multiply relapsed aggressive non-Hodgkin's lymphoma (Structured abstract)      
A literature review of the application of the Geriatric Depression Scale, Depression Anxiety Stress Scales and Post-traumatic Stress Disorder Checklist to community nursing cohorts (Structured abstract)      
A literature review of the current evidence for routine antibiotic prophylaxis after cervical tissue excisions (Provisional abstract)      
A literature review of the outcomes after robot-assisted laparoscopic and conventional laparoscopic Nissen fundoplication for gastro-esophageal reflux disease in children (Provisional abstract)      
Literature review of the possible advantages of silicon liner socket use in trans-tibial prostheses (Structured abstract)      
Literature review on clinical decision support system reducing medical error (Provisional abstract)      New 
[Literature review on the recommendations for oxygen therapy in critically ill patients with noninvasive methods] (Provisional abstract)      
A literature review on the role of chemical sphincterotomy after Milligan-Morgan hemorrhoidectomy (Provisional abstract)      
Literature review on the role of external contributors in school drug, alcohol and tobacco education (Provisional abstract)      
Literature review: preoperative radiotherapy and rectal cancer ? impact on acute symptom presentation and quality of life (Provisional abstract)      
A literature review to identify interventions to improve the use of medicines in children (Provisional abstract)      
Literature review to inform purchasing of counselling in general practice (Structured abstract)      
Lithium as an adjunct to radioactive iodine for the treatment of hyperthyroidism: a systematic review and meta-analysis (Provisional abstract)      
Lithium augmentation in treatment-resistant-depression: meta-analysis of placebo-controlled studies (Structured abstract)      
Lithium augmentation therapy in refractory depression: update 2002 (Provisional abstract)      
Lithium compared to valproic acid and carbamazepine in the treatment of mania: a statistical meta-analysis (Structured abstract)      
Lithium for prevention of mood episodes in bipolar disorders: systematic review and meta-analysis (Provisional abstract)      New 
Lithium for schizophrenia revisited: a systematic review and meta-analysis of randomized controlled trials (Structured abstract)      
Lithium in the prevention of suicide in mood disorders: updated systematic review and meta-analysis (Structured abstract)      
Lithium induced cognitive side-effects in bipolar disorder: a qualitative analysis and implications for daily practice (Structured abstract)      
Lithium or an atypical antipsychotic drug in the management of treatment-resistant depression: a systematic review and economic evaluation (Provisional abstract)      
Lithium: still a cornerstone in the long-term treatment in bipolar disorder? (Structured abstract)      
Lithium toxicity profile: a systematic review and meta-analysis (Provisional abstract)      New 
Lithium toxicity profile: a systematic review and meta-analysis (Structured abstract)      
Lithium treatment and suicide risk in major affective disorders: update and new findings (Structured abstract)      
Lithium treatment reduces suicide risk in recurrent major depressive disorder (Structured abstract)      
Little clinical advantage of computer-assisted navigation over conventional instrumentation in primary total knee arthroplasty at early follow-up (Provisional abstract)      
Liuwei Dihuang pills enhance the effect of Western medicine in treating type 2 diabetes: a meta-analysis of randomized controlled trials (Provisional abstract)      
Live birth rates after transfer of equal number of blastocysts or cleavage-stage embryos in IVF: a systematic review and meta-analysis (Provisional abstract)      
The lived experience of hepatitis C and its treatment among injecting drug users: qualitative synthesis (Provisional abstract)      
Liver aminotransferases and risk of incident type 2 diabetes: a systematic review and meta-analysis (Provisional abstract)      
Liver damage associated with minocycline use in acne: a systematic review of the published literature and pharmacovigilance data (Structured abstract)      
The liver-first approach to the management of colorectal cancer with synchronous hepatic metastases: a systematic review (Provisional abstract)      
Liver injury associated with treatment of multidrug-resistant tuberculosis: a systematic review and meta-analysis (Provisional abstract)      
Liver metastases: sulphur hexafluoride-enhanced ultrasonography for lesion detection: a systematic review (Structured abstract)      
Liver stiffness is associated with risk of decompensation, liver cancer, and death in patients with chronic liver diseases: a systematic review and meta-analysis (Provisional abstract)      
Liver transplant from Anti-HBc-positive, HBsAg-negative donor into HBsAg-negative recipient: is it safe? A systematic review of the literature (Provisional abstract)      
Liver transplantation: a systematic review of long-term quality of life (Provisional abstract)      New 
Liver transplantation for patients with hepatobiliary malignancies other than hepatocellular carcinoma (Structured abstract)      
Liver transplantation versus liver resection for hepatocellular carcinoma: a meta-analysis (Provisional abstract)      
Liver transplantation versus resection for treatment of hepatocellular carcinoma: a meta-analysis (Provisional abstract)      
Lives saved by helicopter emergency medical services: an overview of literature (Structured abstract)      
Lives Saved Tool supplement detection and treatment of syphilis in pregnancy to reduce syphilis related stillbirths and neonatal mortality (Provisional abstract)      
Living donor liver transplantation in children (Structured abstract)      
Living donor liver transplantation versus deceased donor liver transplantation for hepatocellular carcinoma: a meta-analysis (Structured abstract)      
Living donor vs. deceased donor liver transplantation for patients with hepatitis C virus-related diseases (Structured abstract)      
Living preparation of Lactobacillus versus metronidazole for bacterial vaginosis in pregnancy: a systematic review (Provisional abstract)      
Living vs. deceased donor liver transplantation for hepatocellular carcinoma: a systematic review and meta-analysis (Provisional abstract)      
Living well in care homes: a systematic review of qualitative studies (Provisional abstract)      
Lixisenatide plus basal insulin in patients with type 2 diabetes mellitus: a meta-analysis (Provisional abstract)      New 
Lixisenatide treatment for older patients with type 2 diabetes mellitus uncontrolled on oral antidiabetics: meta-analysis of five randomized controlled trials (Provisional abstract)      New 
Loading protocols for dental implants in edentulous patients (Structured abstract)      
Loading protocols for implant-supported overdentures in the edentulous jaw: a systematic review and meta-analysis (Provisional abstract)      
Loading protocols for mandibular implant overdentures: a systematic review with meta-analysis (Provisional abstract)      
Loading protocols for single-implant crowns: a systematic review and meta-analysis (Provisional abstract)      
Local anaesthesia for pain control during outpatient hysteroscopy: systematic review and meta-analysis (Structured abstract)      
Local anaesthesia for pain relief after laparoscopic cholecystectomy: a systematic review (Structured abstract)      
Local anaesthetic for post-tonsillectomy pain: a systematic review and meta-analysis (Structured abstract)      
Local anaesthetic infiltration for peri-operative pain control in total hip and knee replacement: systematic review and meta-analyses of short- and long-term effectiveness (Provisional abstract)      
Local anaesthetic vs. general anaesthetic for inguinal hernia repair: systematic review and meta-analysis (Structured abstract)      
Local and systemic treatments for acute edema after burn injury: a systematic review of the literature (Provisional abstract)      
Local anesthetic infiltration for postoperative pain relief after laparoscopy: a qualitative and quantitative systematic review of intraperitoneal, port-site infiltration and mesosalpinx block (Structured abstract)      
Local anesthetic infusion pump for pain management following open inguinal hernia repair: a meta-analysis (Provisional abstract)      
Local anesthetic reduces pain associated with transrectal ultrasound-guided prostate biopsy: a meta-analysis (Structured abstract)      
Local anesthetics injection therapy for musculoskeletal disorders: a systematic review and meta-analysis (Provisional abstract)      
Local anti-infective therapy: mechanical and physical approaches. A systematic review (Provisional abstract)      
Local anti-infective therapy: pharmacological agents. A systematic review (Provisional abstract)      
Local breast cancer recurrence after mastectomy and immediate breast reconstruction for invasive cancer: a meta-analysis (Structured abstract)      
Local control of extra-abdominal desmoid tumors: systematic review and meta-analysis (Structured abstract)      
Local control of extra-abdominal desmoid tumours: systematic review and metaanalysis (Provisional abstract)      
Local endometrial injury and IVF outcome: a systematic review and meta-analysis (Provisional abstract)      
Local hepatic therapies for metastases to the liver from unresectable colorectal cancer (Provisional abstract)      
Local infiltration analgesia following total knee arthroplasty: effect on post-operative pain and opioid consumption-a meta-analysis (Provisional abstract)      
Local infiltration analgesia for postoperative pain after hip arthroplasty: a systematic review and meta-analysis (Provisional abstract)      
Local infiltration analgesia for postoperative pain control following total hip arthroplasty: a systematic review (Provisional abstract)      
Local infiltration with NSAIDs for postoperative analgesia: evidence for a peripheral analgesic action (Structured abstract)      
Local ischemic postconditioning during primary percutaneous coronary intervention: a meta-analysis (Provisional abstract)      
Local nonsurgical therapies for stage I and symptomatic obstructive non-small-cell lung cancer (Provisional abstract)      
Local recurrence after endoscopic mucosal resection of nonpedunculated colorectal lesions: systematic review and meta-analysis (Provisional abstract)      
Local recurrence of CO2 laser surgery for patients with early glottic carcinoma: a systematic review and meta-analysis (Provisional abstract)      
Local staging of prostate cancer using magnetic resonance imaging: a meta-analysis (Structured abstract)      
Local therapies for unresectable primary hepatocellular carcinoma (Provisional abstract)      
Local treatment of empyema in children: a systematic review of randomized controlled trials (Structured abstract)      
Local treatments of cutaneous warts: systematic review (Structured abstract)      
Local tumour control in women with carcinoma of the cervix treated with the addition of nitroimidazole agents to radiotherapy: a meta-analysis (Provisional abstract)      
Local versus general anaesthesia in carotid endarterectomy: a systematic review of the evidence (Structured abstract)      
Local versus general anesthesia for transcatheter aortic valve implantation (TAVR) ? systematic review and meta-analysis (Provisional abstract)      
Local versus general anesthesia in stapes surgery for otosclerosis: a systematic review of the evidence (Provisional abstract)      
Localized ridge augmentation/preservation: a systematic review (Provisional abstract)      
Locally-administered intrathecal thrombolytics following aneurysmal subarachnoid hemorrhage: a systematic review and meta-analysis (Provisional abstract)      
Location of venous thrombosis in patients with FVL or prothrombin G20210A mutations: systematic review and meta-analysis (Provisional abstract)      
Locking plate fixation for Vancouver B1 periprosthetic femoral fractures: a critical analysis of 135 cases (Provisional abstract)      
Locking versus non-locking plate fixation in the management of mandibular fractures: a meta-analysis (Provisional abstract)      
Locomotor training for walking after spinal cord injury (Structured abstract)      
Locoregional and distant recurrences after breast conserving therapy in patients with triple-negative breast cancer: a meta-analysis (Provisional abstract)      
Locoregional anesthesia for endovascular aneurysm repair (Structured abstract)      
Locoregional recurrence after breast cancer surgery: a systematic review by receptor phenotype (Provisional abstract)      
Long-acting anticholinergic agents in patients with uncontrolled asthma: a systematic review and meta-analysis (Provisional abstract)      New 
Long-acting beta-agonists plus inhaled corticosteroids safety: a systematic review and meta-analysis of non-randomized studies (Provisional abstract)      
Long-acting beta2-agonist step-off in patients with controlled asthma: systematic review with meta-analysis (Structured abstract)      
Long-acting beta2-agonists for maintenance therapy of stable chronic obstructive pulmonary disease: a systematic review (Structured abstract)      
Long acting beta2 agonists for stable chronic obstructive pulmonary disease with poor reversibility: a systematic review of randomised controlled trials (Provisional abstract)      
Long-acting beta2-agonists in management of childhood asthma: a critical review of the literature (Structured abstract)      
Long-acting bronchodilator or leukotriene modifier as add-on therapy to inhaled corticosteroids in persistent asthma? (Provisional abstract)      
Long-acting calcium antagonists in patients with coronary artery disease: a meta-analysis (Structured abstract)      
Long-acting injectable versus oral antipsychotics in schizophrenia: a systematic review and meta-analysis of mirror-image studies (Provisional abstract)      
Long-acting injectable vs oral antipsychotics for relapse prevention in schizophrenia: a meta-analysis of randomized trials (Provisional abstract)      
Long acting injectable vs oral antipsychotics in schizophrenia: a systematic review and meta-analysis of cohort studies (Provisional abstract)      
Long-acting insulin analogue detemir compared with NPH insulin in type 1 diabetes: a systematic review and meta-analysis (Structured abstract)      
Long-acting insulin analogues for diabetes mellitus: meta-analysis of clinical outcomes and assessment of cost-effectiveness (Structured abstract)      
Long-acting insulin analogues NPH human insulin in type 1 diabetes: a meta-analysis (Structured abstract)      
Long-acting versus short-acting methylphenidate for paediatric ADHD: a systematic review and meta-analysis of comparative efficacy (Structured abstract)      
Long-acting versus standard non-ergot dopamine agonists in Parkinson's disease: a meta-analysis of randomized controlled trials (Provisional abstract)      
Long chain omega-3 fatty acids and cardiovascular disease: a systematic review (Structured abstract)      
Long-chain omega-3 fatty acids eicosapentaenoic acid and docosahexaenoic acid and blood pressure: a meta-analysis of randomized controlled trials (Provisional abstract)      
Long noncoding RNA HOTAIR as an independent prognostic marker in cancer: a meta-analysis (Provisional abstract)      New 
Long- or short-acting opioids for chronic non-malignant pain? A qualitative systematic review (Provisional abstract)      
Long-term ACE-inhibitor therapy in patients with heart failure or left-ventricular dysfunction: a systematic overview of data from individual patients (Structured abstract)      
Long-term adjuvant therapy for the prevention of postoperative endometrioma recurrence: a systematic review and meta-analysis (Provisional abstract)      
Long-term antibiotic treatment for Crohn's disease: systematic review and meta-analysis of placebo-controlled trials (Structured abstract)      
Long-term antibiotics for the prevention of recurrent urinary tract infection in children: a systematic review and meta-analysis (Structured abstract)      
Long-term antidepressant treatment in bipolar disorder: meta-analyses of benefits and risks (Structured abstract)      
Long-term benefit of statin therapy initiated during hospitalization for an acute coronary syndrome: a systematic review of randomized trials (Structured abstract)      
Long-term benefits of an early invasive management in acute coronary syndromes depend on intracoronary stenting and aggressive antiplatelet treatment: a metaregression (Structured abstract)      
Long-term beta blockers for stable angina: systematic review and meta-analysis (Structured abstract)      
Long-term bladder drainage: suprapubic catheter versus other methods. A scoping review (Provisional abstract)      
Long-term care for older adults: a review of home and community-based services versus institutional care (Provisional abstract)      
Long-term changes in blood pressure following orlistat and sibutramine treatment: a meta-analysis (Structured abstract)      
Long-term changes in physical capacity after colorectal cancer treatment (Provisional abstract)      New 
Long-term childhood outcomes following caesarean section: systematic review and meta-analysis (Provisional abstract)      
Long-term clinical and angiographic outcomes in patients with cervico-cranial dissections treated with stent placement: a meta-analysis of case series (Structured abstract)      
Long-term clinical efficacy and safety of adding cilostazol to dual antiplatelet therapy for patients undergoing PCI: a meta-analysis of randomized trials with adjusted indirect comparisons (Provisional abstract)      
Long-term clinical outcomes and survivorship after total knee arthroplasty using a rotating platform knee prosthesis: a meta-analysis (Provisional abstract)      
Long-term clinical outcomes following sirolimus-eluting stent implantation in patients with acute myocardial infarction: a meta-analysis of randomized trials (Provisional abstract)      
Long-term clinical outcomes of statin use for chronic heart failure: a meta-analysis of 15 prospective studies (Provisional abstract)      
Long-term clinical results of VITA In-Ceram Classic: a systematic review (Provisional abstract)      
Long term continence disturbance after lateral internal sphincterotomy for chronic anal fissure : A systematic review and meta-analysis (Provisional abstract)      
Long-term dental and skeletal changes in patients submitted to surgically assisted rapid maxillary expansion: a meta-analysis (Provisional abstract)      
Long-term dental arch changes after rapid maxillary expansion treatment: a systematic review (Structured abstract)      
Long-term developmental outcome of children of women with epilepsy, unexposed or exposed prenatally to antiepileptic drugs: a meta-analysis of cohort studies (Structured abstract)      
The long-term effect of a mouthrinse containing essential oils on dental plaque and gingivitis: a systematic review (Structured abstract)      
Long-term effect of chronic oral anticoagulation with warfarin after acute myocardial infarction (Structured abstract)      
Long-term effect of high dose omega-3 fatty acid supplementation for secondary prevention of cardiovascular outcomes: a meta-analysis of randomized, double blind, placebo controlled trials (Provisional abstract)      
Long-term effect of interferon treatment on the progression of chronic hepatitis B: Bayesian meta-analysis and meta-regression (Provisional abstract)      
The long-term effect of multidisciplinary back training: a systematic review (Structured abstract)      
Long-term effectiveness of behavioural interventions to prevent smoking among children and youth (Structured abstract)      
Long term effectiveness of cognitive behavior therapy for treatment of postpartum depression: a systematic review and meta-analysis (Provisional abstract)      
Long-term effectiveness of cognitive therapy in major depressive disorder (Provisional abstract)      
Long-term effectiveness of diet-plus-exercise interventions vs. diet-only interventions for weight loss: a meta-analysis (Structured abstract)      
Long-term effectiveness of exercise therapy in patients with osteoarthritis of the hip or knee: a systematic review (Structured abstract)      
Long-term effectiveness of interventions promoting physical activity: a systematic review (Structured abstract)      
Long-term effectiveness of lifestyle and behavioral weight loss interventions in adults with type 2 diabetes: a meta-analysis (Structured abstract)      
Long-term effects of 4 popular diets on weight loss and cardiovascular risk factors: a systematic review of randomized controlled trials (Provisional abstract)      New 
Long-term effects of autologous bone marrow stem cell treatment in acute myocardial infarction: factors that may influence outcomes (Provisional abstract)      
Long-term effects of bariatric surgery on type II diabetes, hypertension and hyperlipidemia: a meta-analysis and meta-regression study with 5-year follow-up (Provisional abstract)      New 
Long-term effects of bone marrow-derived cells transplantation in patients with acute myocardial infarction: A meta-analysis (Provisional abstract)      
Long-term effects of dieting: Is weight loss related to health? (Provisional abstract)      
Long term effects of inhaled corticosteroids in chronic obstructive pulmonary disease: a meta-analysis (Structured abstract)      
Long-term effects of inhaled corticosteroids on FEV1 in patients with chronic obstructive pulmonary disease: a meta analysis (Structured abstract)      
Long-term effects of levonorgestrel-releasing intrauterine system on tamoxifen-treated breast cancer patients: a meta-analysis (Provisional abstract)      New 
Long-term effects of low-fat diets either low or high in protein on cardiovascular and metabolic risk factors: a systematic review and meta-analysis (Structured abstract)      
Long-term effects of low glycemic index/load vs. high glycemic index/load diets on parameters of obesity and obesity-associated risks: a systematic review and meta-analysis (Provisional abstract)      
Long-term effects of mid-dose ursodeoxycholic acid in primary biliary cirrhosis: a meta-analysis of randomized controlled trials (Provisional abstract)      
Long-term effects of pediatric extracorporeal shockwave lithotripsy on renal function (Provisional abstract)      
Long-term effects of presurgical infant orthopedics in patients with cleft lip and palate: a systematic review (Provisional abstract)      
The long-term effects of pulmonary rehabilitation in patients with asthma and chronic obstructive pulmonary disease: a research synthesis (Structured abstract)      
Long-term effects of recombinant human GH replacement in adults with GH deficiency: a systematic review (Provisional abstract)      
Long-term effects of recombinant human GH replacement in adults with GH deficiency: a systematic review (Provisional abstract)      
Long-term effects of weight-reducing interventions in hypertensive patients: systematic review and meta-analysis (Structured abstract)      
The long-term efficacy and safety of DPP-IV inhibitors monotherapy and in combination with metformin in 18980 patients with type-2 diabetes mellitus - a meta-analysis (Provisional abstract)      
Long-term efficacy and safety of varenicline for smoking cessation: a systematic review and meta-analysis of randomized controlled trials (Structured abstract)      
Long term efficacy of DOTS regimens for tuberculosis: systematic review (Structured abstract)      
Long-term efficacy of high-protein diets: a systematic review (Structured abstract)      
Long-term efficacy of interferon alpha therapy on hepatitis B viral replication in patients with chronic hepatitis B: a meta-analysis (Structured abstract)      
Long-term efficacy of methylphenidate immediate-release for the treatment of childhood ADHD: a systematic review and meta-analysis (Provisional abstract)      New 
Long-term efficacy of subantimicrobial-dose doxycycline as an adjunctive treatment to scaling and root planing: a systematic review and meta-analysis (Provisional abstract)      
Long-term follow-up after bariatric surgery: a systematic review (Provisional abstract)      
Long-term follow-up of functional outcome in patients with a cloacal malformation: a systematic review (Provisional abstract)      
The long-term gastrointestinal functional outcomes following curative anterior resection in adults with rectal cancer: a systematic review and meta-analysis (Provisional abstract)      
Long-term immune responses to vaccination in HIV-infected patients: a systematic review and meta-analysis (Provisional abstract)      
Long-term impact of early treatment on radiographic progression in rheumatoid arthritis: a meta-analysis (Structured abstract)      
The long-term impact of Helicobacter pylori eradication on gastric histology: a systematic review and meta-analysis (Structured abstract)      
Long-term implant survivorship of cementless total knee arthroplasty: a systematic review of the literature and meta-analysis (Provisional abstract)      
The long-term incidence of subsequent vertebral body fracture after vertebral augmentation therapy: a systematic review and meta-analysis (Provisional abstract)      
Long-term lithium therapy for bipolar disorder: systematic review and meta-analysis of randomized controlled trials (Structured abstract)      
Long-term low-molecular-weight heparin and the post-thrombotic syndrome: a systematic review (Provisional abstract)      
Long-term macrolides for non-cystic fibrosis bronchiectasis: a systematic review and meta-analysis (Provisional abstract)      
Long term maintenance of weight loss with non-surgical interventions in obese adults: systematic review and meta-analyses of randomised controlled trials (Provisional abstract)      
Long-term mortality of 306,868 patients with multi-vessel coronary artery disease: CABG versus PCI (Provisional abstract)      
Long-term neurocognitive effects of antipsychotics in schizophrenia: a network meta-analysis (Provisional abstract)      
Long-term non-invasive positive pressure ventilation in severe stable chronic obstructive for non-invasive positive pressure pulmonary disease: a meta-analysis (Provisional abstract)      
Long-term nucleos(t)ide analogues therapy for adults with chronic hepatitis B reduces the risk of long-term complications: a meta-analysis (Provisional abstract)      
Long-term nutrition support in gastrointestinal disease--a systematic review of the evidence (Provisional abstract)      
Long-term oncologic outcomes of laparoscopic radical nephrectomy for kidney cancer resection: Dundee cohort and metaanalysis of observational studies (Provisional abstract)      
Long-term oncologic outcomes of laparoscopic versus open partial nephrectomy (Provisional abstract)      
Long-term opioid therapy for chronic noncancer pain: a systematic review and meta-analysis of efficacy and safety (Structured abstract)      
Long-term opioid use in non-cancer pain (Provisional abstract)      New 
Long-term outcome after sirolimus-eluting stents versus bare metal stents in patients with diabetes mellitus: a patient-level meta-analysis of randomized trials (Structured abstract)      
Long-term outcome and adverse effects of selective dorsal rhizotomy in children with cerebral palsy: a systematic review (Structured abstract)      
Long-term outcome in patients with a pathological complete response after chemoradiation for rectal cancer: a pooled analysis of individual patient data (Provisional abstract)      
Long-term outcome of a routine versus selective invasive strategy in patients with non-ST-segment elevation acute coronary syndrome: a meta-analysis of individual patient data (Structured abstract)      
Long-term outcome of laparoscopic surgery for colorectal cancer: a Cochrane systematic review of randomised controlled trials (Structured abstract)      
Long-term outcome of one-piece implants. Part II: Prosthetic outcomes. A systematic literature review with meta-analysis (Provisional abstract)      
Long-term outcome of panic disorder treatment: a review of the Literature (Structured abstract)      
Long-term outcomes after bankart shoulder stabilization (Provisional abstract)      
Long-term outcomes after the atrial switch for surgical correction of transposition: a meta-analysis comparing the Mustard and Senning procedures (Structured abstract)      
Long-term outcomes for the treatment of atrophic posterior maxilla: a systematic review of literature (Structured abstract)      
Long-term outcomes of antithymocyte globulin in patients with hematological malignancies undergoing myeloablative allogeneic hematopoietic cell transplantation: a systematic review and meta-analysis (Provisional abstract)      
Long-term outcomes of artificial bowel sphincter for fecal incontinence: a systematic review and meta-analysis (Provisional abstract)      
Long-term outcomes of catheter ablation of atrial fibrillation: a systematic review and meta-analysis (Provisional abstract)      
Long-term outcomes of drug-eluting versus bare-metal stent for ST-elevation myocardial infarction (Provisional abstract)      New 
Long-term outcomes of percutaneous coronary intervention with stenting and coronary artery bypass graft surgery ? a meta-analysis (Provisional abstract)      
Long-term outcomes of stapled hemorrhoidopexy vs conventional hemorrhoidectomy: a meta-analysis of randomized controlled trials (Structured abstract)      
Long-term outcomes with transfascial sutures versus tacks in laparoscopic ventral hernia repair: a review (Structured abstract)      
Long-term pharmacological treatment of generalized anxiety disorder (Structured abstract)      
Long-term pharmacotherapy for overweight and obesity: a systematic review and meta-analysis of randomized controlled trials (Structured abstract)      
Long-term prevention of mortality in morbid obesity through bariatric surgery: a systematic review and meta-analysis of trials performed with gastric banding and gastric bypass (Structured abstract)      
Long-term prognostic value of myeloperoxidase on acute coronary syndrome: a meta-analysis (Provisional abstract)      
Long-term prophylaxis in hereditary angio-oedema: a systematic review (Provisional abstract)      
Long-term protection provided by hepatitis B vaccine and need for booster dose: a meta-analysis (Structured abstract)      
Long-term psychodynamic psychotherapy in complex mental disorders: update of a meta-analysis (Structured abstract)      
Long-term randomized clinical trials of pharmacological treatment of obesity: systematic review (Structured abstract)      
Long term rate of cementation failure in implant supported fixed restoration luted with provisional luting cements: a systematic review (Provisional abstract)      
Long-term remineralizing effect of casein phosphopeptide-amorphous calcium phosphate (CPP-ACP) on early caries lesions in vivo: a systematic review (Provisional abstract)      New 
Long-term risk of cardiovascular events with rosiglitazone: a meta-analysis (Structured abstract)      
Long-term risk of invasive cervical cancer after treatment of squamous cervical intraepithelial neoplasia (Structured abstract)      
Long-term risk of late and very late stent thrombosis in patients treated with everolimus against paclitaxel-eluting stents: an update meta-analysis (Provisional abstract)      
Long-term safety and efficacy of drug-eluting stents in patients with acute myocardial infarction: a meta-analysis of randomized trials (Structured abstract)      
Long-term safety and efficacy of radiofrequency ablation in the treatment of sleep disordered breathing: a meta-analysis (Provisional abstract)      
Long-term skeletal changes with rapid maxillary expansion: a systematic review (Structured abstract)      
Long-term skeletal stability after maxillary advancement with distraction osteogenesis in cleft lip and palate patients: a systematic review (Provisional abstract)      
Long-term survival after hepatic cryosurgery versus surgical resection for metastatic colorectal carcinoma: a critical review of the literature (Provisional abstract)      
Long-term survival after ruthenium plaque radiotherapy for uveal melanoma: a meta-analysis of studies including 1,066 patients (Structured abstract)      
Long term survival following laparoscopic and open colectomy for colon cancer: a meta-analysis of randomised controlled trials (Provisional abstract)      
Long-term survival in video-assisted thoracoscopic lobectomy vs open lobectomy in lung-cancer patients: a meta-analysis (Provisional abstract)      
Long term treatment effects of lumbar arthrodeses in degenerative disc disease: a systematic review with meta analysis (Provisional abstract)      
Long-term treatment of schizoaffective disorder: review and recommendations (Provisional abstract)      
Long-term treatment of venous thromboembolism with tinzaparin compared to vitamin K antagonists: a meta-analysis of 5 randomized trials in non-cancer and cancer patients (Provisional abstract)      
Long-term treatment with mammalian target of rapamycin inhibitor does not benefit patients with autosomal dominant polycystic kidney disease: a meta-analysis (Provisional abstract)      
Long-term use of angiotensin-converting enzyme inhibitors to modify endothelial dysfunction: a review of clinical investigations (Structured abstract)      
Long-term use of different doses of low-molecular-weight heparin versus vitamin K antagonists in the treatment of venous thromboembolism (Structured abstract)      
Long-term use of inhaled corticosteroids and the risk of pneumonia in chronic obstructive pulmonary disease: a meta-analysis (Structured abstract)      
Long-term use of thiazolidinediones and fractures in type 2 diabetes: a meta-analysis (Structured abstract)      
Long-term use of thiazolidinediones and the associated risk of pneumonia or lower respiratory tract infection: systematic review and meta-analysis (Structured abstract)      
Long-term versus short-term introvesical chemotherapy in patients with non-muscle-invasive bladder cancer: a systematic review and meta-analysis of the published results of randomized clinical trials (Provisional abstract)      New 
Long-term weight loss after diet and exercise: a systematic review (Structured abstract)      
Long-term weight loss from lifestyle intervention benefits blood pressure: a systematic review (Provisional abstract)      
Long-term weight-loss maintenance: a meta-analysis of US studies (Structured abstract)      
Long term weight maintenance after advice to consume low carbohydrate, higher protein diets ? a systematic review and meta analysis (Provisional abstract)      
Long time clinical outcomes of limus-eluting stent versus paclitaxel-eluting stent in patients undergoing percutaneous coronary artery intervention: a meta-analysis of randomized controlled clinical trials (Provisional abstract)      
Longer term safety of dipeptidyl peptidase-4 inhibitors in patients with type 2 diabetes mellitus: systematic review and meta-analysis (Provisional abstract)      
Longevity of posterior composite restorations: a systematic review and meta-analysis (Provisional abstract)      
Longterm efficacy of topical nonsteroidal antiinflammatory drugs in knee osteoarthritis: metaanalysis of randomized placebo controlled clinical trials (Structured abstract)      
A look at recent hyperventilation studies: outcomes and recommendations for early use in the head-injured patient (Structured abstract)      
Looking for the evidence: a systematic review of prevention strategies addressing sport and recreational injury among children and youth (Provisional abstract)      
Loop diuretic strategies in patients with acute decompensated heart failure: a meta-analysis of randomized controlled trials (Provisional abstract)      
Loop diuretics in the management of acute renal failure: a systematic review and meta-analysis (Provisional abstract)      
Loop electrosurgical excision procedure and risk of preterm birth: a systematic review and meta-analysis (Provisional abstract)      
Loop ileostomy versus loop colostomy for fecal diversion after colorectal or coloanal anastomosis: a meta-analysis (Structured abstract)      
Loperamide therapy for acute diarrhea in children: systematic review and meta-analysis (Structured abstract)      
Losartan: a review of its use, with special focus on elderly patients (Structured abstract)      
Loss of antibodies and response to (re-)vaccination in children after treatment for acute lymphocytic leukemia: a systematic review (Structured abstract)      
Loss of heterozygosity 1p/19q and survival in glioma: a meta-analysis (Provisional abstract)      
Loss of PTEN expression as a predictor of resistance to anti-EGFR monoclonal therapy in metastatic colorectal cancer: evidence from retrospective studies (Provisional abstract)      
Loss of response and need for adalimumab dose intensification in Crohn's disease: a systematic review (Provisional abstract)      
Loss to followup: a major challenge to successful implementation of prevention of mother-to-child transmission of HIV-1 programs in sub-Saharan Africa (Provisional abstract)      
Lost in translation ? the role of family in interventions among adults with diabetes: a systematic review (Provisional abstract)      
Low ankle-brachial index and risk of stroke (Provisional abstract)      
Low back pain: an evaluation of therapeutic interventions (Structured abstract)      
Low back pain in children and adolescents: a systematic review and meta-analysis evaluating the effectiveness of conservative interventions (Provisional abstract)      
Low back pain interventions at the workplace: a systematic literature review (Provisional abstract)      
Low back pain prevention's effects in schoolchildren: what is the evidence? (Structured abstract)      
Low birth weight or diagnosis, which is a higher risk: a meta-analysis of observational studies (Provisional abstract)      
Low blood pressure and preserved systolic function in elders with heart failure (Provisional abstract)      
Low-calorie sweeteners and body weight and composition: a meta-analysis of randomized controlled trials and prospective cohort studies (Provisional abstract)      
Low carbohydrate versus isoenergetic balanced diets for reducing weight and cardiovascular risk: a systematic review and meta-analysis (Provisional abstract)      
Low density lipoprotein apheresis for the treatment of familial hypercholesterolemia (Provisional abstract)      
Low-density lipoprotein-dependent and -independent effects of cholesterol-lowering therapies on C-reactive protein: a meta-analysis (Structured abstract)      
Low density lipoprotein subfractions: systematic review of measurement methods and association with cardiovascular outcomes (Structured abstract)      
Low-dose acetylsalicylic acid use and the risk of upper gastrointestinal bleeding: a meta-analysis of randomized clinical trials and observational studies (Provisional abstract)      
Low-dose and standard-dose cyclosporine immunosuppressive therapy in kidney transplant recipients: a meta-analysis of effectiveness and safety (Provisional abstract)      
Low-dose aspirin and cancer mortality: a meta-analysis of randomized trials (Structured abstract)      
Low-dose aspirin for in vitro fertilization: a systematic review and meta-analysis (Structured abstract)      
Low-dose aspirin for in vitro fertilization or intracytoplasmic sperm injection: a systematic review and a meta-analysis of the literature (Provisional abstract)      
Low-dose aspirin for prevention of morbidity and mortality from preeclampsia: a systematic evidence review for the U.S Preventive Services Task Force (Structured abstract)      
Low-dose aspirin for primary prevention of cardiovascular events in patients with diabetes: a meta-analysis (Structured abstract)      
Low-dose aspirin for the prevention of morbidity and mortality from preeclampsia: a systematic evidence review for the US Preventive Services Task Force (Provisional abstract)      
Low-dose aspirin in patients with stable cardiovascular disease: a meta-analysis (Structured abstract)      
Low-dose aspirin: lack of association with an increase in abruptio placentae or perinatal mortality (Structured abstract)      
Low-dose calcium supplementation for preventing pre-eclampsia: a systematic review and commentary (Provisional abstract)      
Low-dose corticosteroids in rheumatoid arthritis: a meta-analysis of their moderate-term effectiveness (Structured abstract)      
Low-dose dopamine: a systematic review (Structured abstract)      
Low-dose droperidol (<=1mg or <=15microg per kg) for the prevention of postoperative nausea and vomiting in adults: quantitative systematic review of randomised controlled trials (Structured abstract)      
Low-dose heparin in the prevention of post endoscopic retrograde cholangiopancreatography pancreatitis: a systematic review and meta-analysis (Provisional abstract)      
Low-dose heparin use and the patency of peripheral IV catheters in children: a systematic review (Provisional abstract)      
Low-dose ketamine in addition to propofol for procedural sedation and analgesia in the emergency department (Structured abstract)      
Low-dose methotrexate spares steroid usage in steroid-dependent asthmatic patients: a meta-analysis (Structured abstract)      
Low-dose neuroleptic therapy and extrapyramidal side effects in schizophrenia: an effect size analysis (Structured abstract)      
Low-dose neuroleptic therapy and relapse in schizophrenia: meta-analysis of randomized controlled trials (Structured abstract)      
Low-dose of oral factor Xa inhibitors in patients with a recent acute coronary syndrome: a systematic review and meta-analysis of randomized trials (Provisional abstract)      
Low-dose oral misoprostol for induction of labor: a systematic review (Structured abstract)      
Low-dose rate brachytherapy for patients with low- or intermediate-risk prostate cancer: a systematic review (Provisional abstract)      
Low-dose transdermal estradiol for vasomotor symptoms: a systematic review (Provisional abstract)      
Low dose vs standard dose of antipsychotics for relapse prevention in schizophrenia: meta-analysis (Structured abstract)      
Low-dose warfarin in atrial fibrillation leads to more thromboembolic events without reducing major bleeding when compared to adjusted-dose: a meta-analysis (Structured abstract)      
Low doses of acetylsalicylic acid increase risk of gastrointestinal bleeding in a meta-analysis (Structured abstract)      
Low-energy extracorporeal shock wave therapy: a critical analysis of the evidence for effectiveness in the treatment of plantar fasciitis (Structured abstract)      
Low exercise blood pressure and risk of cardiovascular events and all-cause mortality: systematic review and meta-analysis (Provisional abstract)      New 
Low-frequency HIV-1 drug resistance mutations and risk of NNRTI-based antiretroviral treatment failure: a systematic review and pooled analysis (Provisional abstract)      
Low frequency repetitive transcranial magnetic stimulation (rTMS) for major depressive disorder: a systematic review (Provisional abstract)      
Low-frequency ultrasound (20-40 kHz) as an adjunctive therapy for chronic wound healing: a systematic review of the literature and meta-analysis of eight randomized controlled trials (Provisional abstract)      
Low glomerular filtration rate and risk of stroke: meta-analysis (Provisional abstract)      
Low glycaemic index dietary interventions in youth with cystic fibrosis: a systematic review and discussion of the clinical implications (Provisional abstract)      
Low glycaemic index diets and blood lipids: a systematic review and meta-analysis of randomised controlled trials (Provisional abstract)      
Low-glycaemic index diets in the management of blood lipids: a systematic review and meta-analysis (Provisional abstract)      
Low-income groups and behaviour change interventions: a review of intervention content and effectiveness (Structured abstract)      
Low intensity pulsed ultrasonography for fractures: systematic review of randomised controlled trials (Structured abstract)      
Low-intensity pulsed ultrasonography versus electrical stimulation for fracture healing: a systematic review and network meta-analysis (Provisional abstract)      
Low-intensity pulsed ultrasound and pulsed electromagnetic field in the treatment of tibial fractures: a systematic review (Structured abstract)      
Low-intensity pulsed ultrasound: fracture healing (Provisional abstract)      
Low intensity ultrasound treatment for acceleration of bone fracture healing: Exogen bone growth stimulator (Provisional abstract)      
Low-level laser therapy for carpal tunnel syndrome and chronic neck pain (Provisional abstract)      
Low-level laser therapy for orthodontic pain: a systematic review (Provisional abstract)      New 
Low level laser therapy for osteoarthritis and rheumatoid arthritis: a metaanalysis (Structured abstract)      
Low level laser therapy for tendinopathy: evidence of a dose-response pattern (Structured abstract)      
Low level laser therapy for the treatment of temporomandibular disorders: a systematic review of the literature (Provisional abstract)      
Low level laser therapy for wound healing: an update (Structured abstract)      
Low level laser therapy for wound healing (Structured abstract)      
Low-level laser therapy in secondary lymphedema after breast cancer: systematic review (Provisional abstract)      
Low level laser therapy (LLLT) for neck pain: a systematic review and meta-regression (Provisional abstract)      
Low level laser treatment of tendinopathy: a systematic review with meta-analysis (Structured abstract)      
Low molecular weight heparin administered once versus twice daily in patients with venous thromboembolism: a meta-analysis (Structured abstract)      
Low-molecular-weight heparin and cancer survival: review of the literature and pooled analysis of 1,726 patients treated for at least three months (Structured abstract)      
Low molecular weight heparin and unfractionated heparin for prevention of thrombo-embolism in general surgery: a meta-analysis of randomised clinical trials (Structured abstract)      
Low molecular weight heparin and unfractionated heparin in thrombosis prophylaxis after major surgical intervention: update of previous meta-analyses (Structured abstract)      
Low molecular weight heparin and unfractionated heparin in thrombosis prophylaxis: meta-analysis based on original patient data (Structured abstract)      
Low-molecular-weight heparin compared with intravenous unfractionated heparin for treatment of pulmonary embolism: a meta-analysis of randomized, controlled trials (Structured abstract)      
Low molecular weight heparin decreases proximal and distal deep venous thrombosis following total knee arthroplasty: a meta-analysis of randomized trials (Structured abstract)      
Low-molecular-weight heparin for the long-term treatment of symptomatic venous thromboembolism: meta-analysis of the randomized comparisons with oral anticoagulants (Structured abstract)      
Low molecular weight heparin for the prevention of venous thromboembolism after abdominal surgery (Provisional abstract)      
Low molecular weight heparin for the prophylaxis of thromboembolism in women with prosthetic mechanical heart valves during pregnancy (Provisional abstract)      
Low molecular weight heparin for the treatment of retinal vein occlusion: a systematic review and meta-analysis of randomized trials (Provisional abstract)      
Low molecular weight heparin in treating patients with acute exacerbation of COPD: a meta-analysis (Provisional abstract)      
Low molecular weight heparin-induced skin necrosis: a systematic review (Structured abstract)      
Low molecular weight heparin (LMWH) for primary thrombo-prophylaxis in patients with solid malignancies - systematic review and meta-analysis (Provisional abstract)      New 
Low-molecular-weight heparin thromboprophylaxis in medical-surgical critically ill patients: a systematic review (Structured abstract)      
Low molecular weight heparin to achieve live birth following unexplained pregnancy loss: a systematic review (Structured abstract)      
Low molecular weight heparin versus unfractionated heparin in the initial treatment of venous thromboembolism (Structured abstract)      
Low-molecular-weight heparin vs unfractionated heparin for perioperative thromboprophylaxis in patients with cancer: a systematic review and meta-analysis (Structured abstract)      
Low-molecular-weight heparin vs. unfractionated heparin in percutaneous coronary intervention: a combined analysis (Structured abstract)      
Low-molecular-weight heparins and heparinoids in acute ischemic stroke: a meta-analysis of randomized controlled trials (Structured abstract)      
Low-molecular-weight heparins and unfractionated heparin in the treatment of patients with acute venous thromboembolism: results of a meta-analysis (Structured abstract)      
Low-molecular-weight heparins are superior to vitamin K antagonists for the long term treatment of venous thromboembolism in patients with cancer: a Cochrane systematic review (Structured abstract)      
Low-molecular-weight heparins: are they interchangeable? (Structured abstract)      
Low-molecular-weight heparins compared with unfractionated heparin for treatment of acute deep venous thrombosis: a meta-analysis of randomized, controlled trials (Structured abstract)      
Low-molecular-weight heparins in conjunction with thrombolysis for ST-elevation acute myocardial infarction: a critical review of the literature (Structured abstract)      
Low-molecular-weight heparins in pregnancy (Structured abstract)      
Low-molecular-weight heparins in the management of acute coronary syndromes (Structured abstract)      
Low-molecular-weight heparins in the treatment of deep-vein thrombosis (Structured abstract)      
Low-molecular weight heparins in venous and arterial thrombotic disease (Structured abstract)      
Low molecular weight heparins (LMWH) in the treatment of patients with acute venous thromboembolism (Structured abstract)      
Low-molecular-weight heparins vs. unfractionated heparin in the setting of percutaneous coronary intervention for ST-elevation myocardial infarction: a meta-analysis (Provisional abstract)      
Low- or high-dose radioiodine remnant ablation for differentiated thyroid carcinoma: a meta-analysis (Provisional abstract)      
Low-pressure versus standard-pressure pneumoperitoneum for laparoscopic cholecystectomy: a systematic review and meta-analysis (Provisional abstract)      
Low-protein diet for diabetic nephropathy: a meta-analysis of randomized controlled trials (Structured abstract)      
Low protein diets delay end-stage renal disease in non-diabetic adults with chronic renal failure (Structured abstract)      
Low sodium versus normal sodium diets in systolic heart failure: systematic review and meta-analysis (Provisional abstract)      
Low uric acid levels in patients with Parkinson's disease: evidence from meta-analysis (Provisional abstract)      New 
Low- versus high-dose rituximab for rheumatoid arthritis: a systematic review and meta-analysis (Provisional abstract)      
Low versus high radioiodine activity to ablate the thyroid after thyroidectomy for cancer: a meta-analysis of randomized controlled trials (Provisional abstract)      
Low-vision rehabilitation methods in children: a systematic review (Provisional abstract)      New 
Low-volume polyethylene glycol and bisacodyl for bowel preparation prior to colonoscopy: a meta-analysis (Provisional abstract)      
Lower dosage of recombinant tissue-type plasminogen activator (rt-PA) in the treatment of acute pulmonary embolism: a systematic review and meta-analysis (Provisional abstract)      
Lower extremity arterial disease: multidetector CT angiography. Meta-analysis (Structured abstract)      
Lower-extremity arteriovenous access for haemodialysis: a systematic review (Structured abstract)      
Lower graft patency after off-pump than on-pump coronary artery bypass grafting: an updated meta-analysis of randomized trials (Structured abstract)      
Lower incidence of emergence agitation in children after propofol anesthesia compared with sevoflurane: a meta-analysis of randomized controlled trials (Provisional abstract)      
Lower intensified target LDL-c level of statin therapy results in a higher risk of incident diabetes: a meta-analysis (Provisional abstract)      
Lower levels of in-stent late loss are not associated with the risk of stent thrombosis in patients receiving drug-eluting stents (Structured abstract)      
Lower limb lengthening in patients with disproportionate short stature with achondroplasia: a systematic review of the last 20 years (Provisional abstract)      
Lower limb malperfusion in type B aortic dissection: a systematic review (Provisional abstract)      New 
Lower limb strength following total knee arthroplasty: a systematic review (Provisional abstract)      
Lower limb strength training in children with cerebral palsy. a review of the literature and recommendations for training (Provisional abstract)      
Lower n-3 long-chain polyunsaturated fatty acid values in patients with phenylketonuria: a systematic review and meta-analysis (Provisional abstract)      
Lower or higher doses for prophylactic platelet transfusions: results of a meta-analysis of randomized controlled trials (Structured abstract)      
Lower pill burden and once-daily dosing antiretroviral treatment regimens for HIV infection: a meta-analysis of randomized controlled trials (Provisional abstract)      
Lower rate of depressive switch following antimanic treatment with second-generation antipsychotics versus haloperidol (Provisional abstract)      
Lower recurrence rates after mesh-reinforced versus simple hiatal hernia repair: a meta-analysis of randomized trials (Provisional abstract)      
Lower risk for tardive dyskinesia associated with second-generation antipsychotics: a systematic review of 1-year studies (Provisional abstract)      
Lower suicide risk with long-term lithium treatment in major affective illness: a meta-analysis (Structured abstract)      
Lower tidal volume at initiation of mechanical ventilation may reduce progression to acute respiratory distress syndrome: a systematic review (Provisional abstract)      
Lowering blood homocysteine with folic acid-based supplements: meta-analysis of randomised trials (Structured abstract)      
Lowering blood pressure: a systematic review of sustained effects of non-pharmacological interventions (Structured abstract)      
Lowering blood pressure to prevent stroke recurrence: a systematic review of long-term randomized trials (Provisional abstract)      
Lumbar artificial intervertebral disc replacement: a systematic review (Provisional abstract)      
Lumbar continuous drainage of the cerebrospinal fluid therapy for subarachnoid hemorrhage: a systematic review (Provisional abstract)      
Lumbar disc replacement versus fusion for treatment of lumbar degenerative disc disease: a meta-analysis (Provisional abstract)      
Lumbar fusion compared with conservative treatment in patients with chronic low back pain: a meta-analysis (Provisional abstract)      
Lumbar fusion versus non-operative management for treatment of discogenic low back pain: a systematic review and meta-analysis of randomized controlled trials (Provisional abstract)      
Lumbar interbody fusion: review of history, complications, and outcome comparisons among methods (Provisional abstract)      New 
Lumbar interlaminar epidural injections in managing chronic low back and lower extremity pain: a systematic review (Structured abstract)      
Lumbar lateral interbody fusion (LLIF): comparative effectiveness and safety versus PLIF/TLIF and predictive factors affecting LLIF Outcome (Provisional abstract)      
Lumbar osteotomy for correction of thoracolumbar kyphotic deformity in ankylosing spondylitis: a structured review of three methods of treatment (Structured abstract)      
Lumbar posterolateral fusion with local bone graft plus bone extender compared with iliac crest bone graft: a systematic review (Provisional abstract)      
Lumbar spine fusion for chronic low back pain due to degenerative disc disease: a systematic review (Provisional abstract)      
Lumbar supports for prevention and treatment of low back pain: a systematic review within the framework of the Cochrane Back Review Group (Structured abstract)      
Lumbopelvic neuromuscular training and injury rehabilitation: a systematic review (Provisional abstract)      
Lumiracoxib for acute postoperative dental pain: a systematic review of randomized clinical trials (Provisional abstract)      
Lung adjuvant cisplatin evaluation: a pooled analysis by the LACE Collaborative Group (Structured abstract)      
Lung cancer risk and genetic polymorphisms in DNA repair pathways: a meta-analysis (Provisional abstract)      
Lung cancer screening: an update for the U.S. Preventive Services Task Force (Provisional abstract)      
Lung cancer (Structured abstract)      
Lung-protective mechanical ventilation with lower tidal volumes in patients not suffering from acute lung injury: a review of clinical studies (Structured abstract)      
Lung transplantation in idiopathic pulmonary fibrosis: a systematic review of the literature (Provisional abstract)      New 
Lung ultrasound for the diagnosis of pneumonia in adults: a systematic review and meta-analysis (Provisional abstract)      
Lung volume reduction surgery: a meta-analysis of randomized clinical trials (Provisional abstract)      
Lung volume reduction surgery for chronic obstructive pulmonary disease with underlying severe emphysema (Structured abstract)      
Lung volume reduction surgery for severe emphysema (Provisional abstract)      
Lung volume reduction surgery in emphysema: a systematic review (Structured abstract)      
Luteal phase support in infertility treatment: a meta-analysis of the randomized trials (Structured abstract)      
Lycopene for the prevention and treatment of benign prostatic hyperplasia and prostate cancer: a systematic review (Provisional abstract)      
Lycopene supplement and blood pressure: an updated meta-analysis of intervention trials (Provisional abstract)      
Lycopene supplement and blood pressure: an updated meta-analysis of intervention trials (Provisional abstract)      
Lymph node harvested in laparoscopic versus open colorectal cancer approaches: a meta-analysis (Provisional abstract)      
Lymph node micrometastases is a poor prognostic factor for patients in pN0 gastric cancer: a meta-analysis of observational studies (Provisional abstract)      
Lymphatic mapping and sentinel lymph node biopsy in early-stage breast carcinoma: a metaanalysis (Structured abstract)      
Lymphatic mapping and sentinel lymph node biopsy in patients with melanoma: a meta-analysis (Structured abstract)      
Lymphatic mapping and sentinel node biopsy in squamous cell carcinoma of the vulva: systematic review and meta-analysis of the literature (Structured abstract)      
Lymphatic microvessel density and vascular endothelial growth factor-C and -D as prognostic factors in breast cancer: a systematic review and meta-analysis of the literature (Provisional abstract)      
Lymphatic microvessel density as a prognostic factor in non-small cell lung carcinoma: a meta-analysis of the literature (Provisional abstract)      
Lymphatic sparing versus lymphatic non-sparing laparoscopic varicocelectomy in children and adolescents: a systematic review and meta-analysis (Provisional abstract)      
Lymphoedema therapy in breast cancer patients: a systematic review on effectiveness and a survey of current practices and costs in Finland (Structured abstract)      
The lymphotoxin-alpha 252A>G polymorphism and breast cancer: a meta-analysis (Provisional abstract)      
Lymphovascular invasion as a prognostic factor in the upper urinary tract urothelial carcinoma: a systematic review and meta-analysis (Provisional abstract)      
Lymphovascular invasion as a prognostic indicator in stage I non-small cell lung cancer: a systematic review and meta-analysis (Provisional abstract)      
Lysergic acid diethylamide (LSD) for alcoholism: meta-analysis of randomized controlled trials (Structured abstract)