Related by context. Frequent words. (Click for all words.) 61 Randomized controlled 61 subanalysis 60 placebo controlled clinical 59 Observational studies 59 substudy 58 subgroup analyzes 57 retrospective cohort study 56 liver transplant recipients 55 observational studies 55 nonrandomized 55 randomized trials 55 RCTs 55 double blinded placebo 55 Cardiovascular Risk 55 prospective cohort 54 Ischemic 54 ACRIN 54 colorectal adenomas 54 neuropsychiatric symptoms 53 Antihypertensive 53 MADIT CRT 53 NHANES 53 NHANES III 53 AREDS 53 beta blocker therapy 53 placebo controlled randomized 53 Gynecologic Oncology Group 53 multivariate analyzes 53 placebo controlled studies 53 meta analyzes 53 SYNTAX 53 ALLHAT 53 NSABP 53 concomitant medications 53 prospective randomized controlled 52 Meta Analysis 52 prospectively defined 52 randomized clinical 52 confounding variables 52 exemestane 52 HSCT 52 SPIRIT IV 52 prospective observational 52 randomized Phase III 52 beta carotene supplements 52 carcinoid 52 calcium supplementation 52 longitudinal studies 51 PRADAXA 51 superficial bladder cancer 51 CAVEATS 51 SWOG 51 androgen deprivation 51 neoadjuvant 51 randomized controlled clinical 51 postmenopausal breast cancer 51 multicenter randomized 51 metreleptin 51 colorectal cancer CRC 51 Chronic Heart Failure 51 DCCT 51 contralateral breast cancer 51 SPIRIT III 51 myocardial infarctions 51 ximelagatran 51 Acute Myocardial Infarction 51 Randomized Controlled Trial 51 Patient Registry 51 endometrial cancers 51 placebo controlled clinical trials 51 breast carcinoma 51 prospective multicenter 51 multicenter clinical 51 PRECiSE 51 colon tumors 51 nab paclitaxel 50 generalizability 50 Cardiovascular Events 50 Multicenter 50 virologic 50 placebo controlled trials 50 virologic response 50 fluoxetine Prozac 50 carotid artery stenting 50 Phase Ib clinical 50 pheochromocytoma 50 TRITON TIMI 50 Esophageal Cancer 50 Prostate Cancer Risk 50 PROVE IT 50 secondary efficacy endpoints 50 EoE 50 randomized controlled trial 50 CAUTIONS 50 Phase III randomized 50 lipid lowering therapy 50 multicentre 50 infarcts 50 phase IIb clinical 50 placebo controlled Phase 50 bisphosphonate drugs