title: The attractiveness of the concept of a prospectively designed two-stage clinical trial.
authors.affiliation: Division of Biometrics I, Center for Drug Evaluation and Research, United States Food and Drug Administration, Rockville, Maryland, USA.
authors.forename: G Y
authors.initials: GY
authors.lastname: Chi
authors.forename: Q
authors.initials: Q
authors.lastname: Liu
mesh_terms: D004311:Double-Blind Method; D006801:Humans; D008432:Mathematical Computing; D010919:Placebos; D011446:Prospective Studies; D016032:Randomized Controlled Trials as Topic / Q000379:methods* / Q000592:standards; D012107:Research Design; D013223:Statistics as Topic / Q000379:methods
chemical_list: D010919:Placebos