Related by context. Frequent words. (Click for all words.) 73 JAMA 68 Lancet 64 meta analysis 64 BMJ 62 Lancet Oncology 62 Clinical Infectious Diseases 61 meta analyzes 61 Annals 61 CMAJ 60 Molecular Cancer 60 journal Lancet 59 Mayo Clinic Proceedings 59 Nature Biotechnology 59 heartwire 59 N Engl J 59 Arch Intern Med 59 PLoS Medicine 58 #:#-# [029] 57 journal Neurology 57 RCTs 57 PNAS 57 Clinical Cancer 56 randomized trials 56 #:#-# [031] 55 randomized controlled trials 55 #:#-# [028] 55 Experimental Medicine 55 Medscape 55 Cochrane Library 54 AHRQ 54 journal Annals 54 Nature Neuroscience 54 Nature Genetics 54 Cancer Epidemiology Biomarkers 54 FASEB Journal 54 journal Circulation 54 observational studies 54 Internal Medicine 53 Clinical Endocrinology 53 journal Nature Medicine 53 medical journal Lancet 52 journal Archives 52 PLoS Biology 52 Clinical Investigation 52 journal Neuron 52 Free Full Text 52 Biological Psychiatry 52 #:#-# [006] 52 CDC Morbidity 52 rosiglitazone 52 #:#-# [033] 52 PMID # [002] 52 Neuron 51 randomized clinical trials 51 #:#-# [023] 51 journal Pediatrics 51 J Am Coll 51 journal Cell 51 Clinical Oncology 51 journal Nature Genetics 51 rofecoxib 50 Oncologist 50 General Psychiatry 50 American Geriatrics Society 50 accompanying editorial 50 Arch Gen Psychiatry 50 Hepatology 50 Morbidity 49 Diabetes Care 49 #:#-# [037] 49 randomized controlled trial 49 peer reviewed 49 PLoS 49 pp. #-# [005] 49 journal Physical 49 HealthDay 49 Cardiol 49 journal Nature 49 comparative effectiveness 49 NIH 49 journal Nature Neuroscience 48 PubMed 48 MedPage Today 48 WHI 48 Circulation Journal 48 randomized clinical 48 Sterility 48 #:#-# [002] 48 peer reviewed journal 48 USPSTF 48 multicenter study 48 Clinical Pharmacology 48 Clinical Practice 48 San Antonio Breast Cancer 48 CrossRef Medline 48 ASCO 48 Nature Geoscience 48 clinical trial 48 journal Psychological Science 47 Drs 47 journal Science