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