title: When is a confirmatory randomized clinical trial needed?
authors.forename: D A
authors.initials: DA
authors.lastname: Berry
mesh_terms: D001499:Bayes Theorem; D002289:Carcinoma, Non-Small-Cell Lung / Q000628:therapy; D006801:Humans; D008175:Lung Neoplasms / Q000628:therapy; D015588:Observer Variation; D016032:Randomized Controlled Trials as Topic; D012044:Regression Analysis; D015203:Reproducibility of Results