Related by context. Frequent words. (Click for all words.) 73 retrospective cohort study 67 multicenter study 66 prospective observational 65 prospective cohort 64 prospective multicenter 64 substudy 63 retrospectively reviewed 63 multicentre 62 prospective randomized controlled 62 randomized clinical 61 multivariate analyzes 61 placebo controlled trials 61 randomized controlled clinical 61 observational study 60 active comparator 60 noninferiority 60 randomized Phase III 60 liver transplant recipients 60 epidemiologic studies 60 NHANES III 60 placebo controlled clinical 59 randomized controlled clinical trials 59 multicenter randomized 59 Multicenter 59 randomized controlled trial 59 Percutaneous Coronary Intervention 59 placebo controlled studies 59 PROPEL trial 58 BRFSS 58 coronary revascularization 58 prospective randomized 58 multicenter 58 multicenter clinical 58 METHODS 58 logistic regression 58 placebo controlled clinical trials 58 Arch Intern Med 57 pharmacodynamic effects 57 clinical trial 57 chemoradiotherapy 57 subgroup analyzes 57 echocardiographic 57 prespecified 57 immunohistochemical 57 Thrombolysis 57 J Clin Oncol 57 Radiation Therapy Oncology 57 HSCT 57 univariate 56 carotid artery stenting 56 Ann Intern Med 56 Phase 2b study 56 DCCT 56 dose escalation study 56 pharmacokinetic studies 56 Gynecologic Oncology Group 56 meta analysis 56 randomized controlled 56 Nationwide Inpatient Sample 56 seroprotection 56 phase IIb clinical 55 NSABP 55 Phase 1b trial 55 serological 55 multicenter randomized double 55 Taxus Stent 55 blinded placebo controlled 55 SPIRIT III 55 HealthCore 55 Secondary endpoints include 55 Phase Ib clinical 55 Phase IIa trial 55 dose escalation trial 55 randomized controlled trials 55 Myocardial Infarction 55 placebo controlled 55 EORTC 55 QTc 55 rEEG 55 histopathological 55 Phase 2a clinical 55 double blinded placebo 55 pharmacodynamics 54 randomized clinical trials 54 blind randomized controlled 54 longitudinal study 54 serologic 54 #mg/day [001] 54 Outcomes Study 54 randomized 54 Acute Myocardial Infarction 54 phase IIa 54 Solid Tumors 54 estimated glomerular filtration 54 stenoses 54 Pivotal Trial 54 PRECiSE 54 SABCS 54 % CI #.#-#.# [003] 54 RRMS patients 54 transurethral resection