Sample size and the ethics of non-inferiority trials.
Powers
John H
JH
Cooper
Charles K
CK
Lin
Daphne
D
Ross
David B
DB
D032984:Ethics, Research; D006801:Humans; D010919:Placebos; D016032:Randomized Controlled Trials as Topic; D012107:Research Design; D018401:Sample Size
D010919:Placebos