Related by context. Frequent words. (Click for all words.) 69 randomized multicenter 68 multicentre 68 prospective multicenter 67 nonrandomized 67 prospective randomized controlled 66 Randomized controlled 66 Multicenter 66 double blinded placebo 65 retrospective cohort study 64 multicenter clinical 64 placebo controlled clinical 64 multicenter 64 multicenter randomized 64 prospective observational 64 Phase III randomized 64 randomized controlled clinical trials 64 prospective randomized 64 Phase IIIb 63 #:#-# [035] 63 ACRIN 63 randomized controlled clinical 63 NSABP 62 randomized clinical 62 substudy 62 RTOG 62 Gynecologic Oncology Group 61 Catheterization 61 retrospectively reviewed 61 multicenter randomized double 61 #:#-# [031] 61 active comparator 61 coronary intervention 61 Radiation Therapy Oncology 61 SWOG 61 Chronic Heart Failure 61 placebo controlled randomized 61 carotid artery stenting 61 multicenter study 60 randomized placebo controlled 60 placebo controlled studies 60 randomized controlled 60 phase IIa clinical 60 phase IIb clinical 60 Carotid 60 J Clin Oncol 60 multicenter Phase 60 randomized Phase III 60 Acute Myocardial Infarction 60 paroxysmal nocturnal hemoglobinuria 60 decitabine 60 Phase IIB 60 placebo controlled 59 chemoradiotherapy 59 Arch Neurol 59 Patient Registry 59 immunohistochemical 59 #:#-# [029] 59 neoadjuvant 59 Radiographic 59 SYNTAX 59 EORTC 59 Thrombolysis 59 blinded placebo controlled 59 valvular heart 59 thyroidectomy 59 PRECiSE 59 #:#-# [025] 59 Postoperative 59 label multicenter 58 blind randomized 58 histopathological 58 Phase Ib clinical 58 transurethral resection 58 APTIVUS 58 Diabetologia 58 PRECISE 58 relapsing multiple sclerosis 58 subanalysis 58 J Clin Endocrinol Metab 58 #:#-# [001] 58 Randomized 58 placebo controlled Phase 58 goserelin 58 placebo controlled trials 58 retinal vein occlusion 58 randomized 58 #:#-# [033] 58 lymphadenectomy 58 MADIT CRT 58 Arch Intern Med 58 superficial bladder cancer 58 solid organ transplantation 58 Ischemic 58 GSK# [001] 58 Cochrane Database 58 RRMS patients 58 METHODS 57 dose escalation trial 57 J Am Coll 57 nonoperative 57 histopathologic