Related by context. Frequent words. (Click for all words.) 71 retrospective cohort study 68 prospective observational 67 prospective cohort 67 substudy 63 multicenter study 63 Multicenter 62 logistic regression analysis 62 subanalysis 62 Patient Registry 62 Randomized controlled 62 liver transplant recipients 61 placebo controlled clinical 61 multivariate analyzes 60 prospective multicenter 60 longitudinal study 60 randomized multicenter 59 Atherosclerosis Risk 59 SWOG 59 Cohort Study 59 HeFT 58 multicentre 58 pharmacokinetics PK 58 prospectively defined 58 prospective randomized controlled 58 nonrandomized 58 METHODS 58 multicenter randomized double 58 breast carcinoma 57 T2DM 57 % CI #.#-#.# [003] 57 pharmacokinetic PK 57 randomized controlled clinical 57 multicenter 57 adenotonsillectomy 57 randomized controlled trial 57 nomogram 57 MR spectroscopy 57 phase IIa clinical 57 gene expression profiles 57 randomized Phase III 57 subgroup analyzes 57 immunohistochemical 57 HIV uninfected 57 thyroidectomy 57 Phase Ib clinical 57 multicenter clinical 57 atherothrombosis 56 Chronic Heart Failure 56 observational study 56 Phase IIIb 56 Arch Intern Med 56 Phase III randomized 56 PRECiSE 56 placebo controlled trials 56 histopathological 56 multicenter randomized 56 blind randomized controlled 56 J Clin Oncol 56 randomized clinical 56 J Nutr 56 paclitaxel eluting stents 56 Radiographic 55 Radiation Therapy Oncology 55 retrospectively reviewed 55 Acute Coronary Syndromes 55 RRMS patients 55 liver biopsies 55 juvenile idiopathic arthritis 55 NHANES III 55 Gynecologic Oncology Group 55 prepubertal 55 EORTC 55 placebo controlled randomized 55 Phase 1b trial 55 thrombophilia 55 SABCS 55 pharmacodynamic effects 55 differentially expressed genes 55 Thrombolysis 55 #:#-# [031] 55 NSABP 55 phenotyping 55 randomized controlled 55 Acute Myocardial Infarction 55 neoadjuvant 55 End Results SEER 55 Randomized Controlled Trial 55 Ann Intern Med 55 double blinded placebo 55 #:#-# [029] 54 HSCT 54 #:#-# [033] 54 FDG PET 54 Prostate Cancer Prevention 54 RTOG 54 univariate 54 autosomal 54 randomized placebo controlled 54 RCTs 54 thromboprophylaxis 54 NeuroStar TMS Therapy