Related by context. Frequent words. (Click for all words.) 68 subgroup analyzes 68 multivariate analyzes 68 RCTs 66 meta analyzes 66 nonrandomized 66 placebo controlled studies 65 Observational studies 65 randomized controlled clinical trials 65 immunohistochemical 65 covariate 64 univariate 64 neuroimaging studies 64 histopathological 64 Randomized controlled 62 randomized controlled trials 62 epidemiologic studies 62 histopathologic 62 Radiation Therapy Oncology 62 RTOG 62 qRT PCR 61 therapeutic regimens 61 pharmacokinetic PK 61 Thrombolysis 61 genotypic 61 somatic symptoms 61 metabolic parameters 61 observational studies 61 placebo controlled clinical 61 tigecycline 61 serologic 61 prospectively defined 61 prospective randomized controlled 61 Pharmacokinetic 61 randomized trials 60 APTIVUS 60 Secondary endpoints 60 pharmacokinetic profiles 60 NHANES III 60 placebo controlled trials 60 placebo controlled clinical trials 60 PK PD 60 interpersonal psychotherapy 60 paclitaxel eluting stents 60 vitro experiments 60 concomitant medications 60 QTc prolongation 60 antihypertensive therapy 60 rEEG 60 subanalysis 60 psychotherapies 60 TRITON TIMI 60 meta analysis 59 HSCT 59 regression analyzes 59 HRQOL 59 ACC AHA 59 comorbid conditions 59 neuropsychiatric symptoms 59 secondary efficacy endpoints 59 genetic polymorphisms 59 randomized clinical trials 59 logistic regression 59 Systematic Reviews 59 SYNTAX 59 Cochrane Database 58 psychoeducation 58 platelet reactivity 58 QTinno 58 ANOVA 58 Conclusions 58 ACRIN 58 affective disorders 58 confounding variables 58 multicenter randomized 58 liver transplant recipients 58 haematological 58 surrogate markers 58 Systematic Review 58 generalizability 58 SABCS 58 prospective multicenter 58 antibiotic prophylaxis 58 mycophenolate mofetil 58 liver biopsies 58 prospective observational 58 toxicological studies 58 pharmacokinetic studies 58 analgesic efficacy 58 ALLHAT 58 fluvastatin 58 Antihypertensive 58 myocardial ischemia 58 antihypertensive medications 58 serum vitamin D 58 neuropathological 58 Multicenter 58 physicochemical 58 sipuleucel T 57 Meta Analysis 57 xCELLigence System 57 calcineurin inhibitors