Active-controlled versus placebo-controlled trials.
Friedman
J H
JH
D018849:Controlled Clinical Trials as Topic / Q000379:methods*; D003863:Depression / Q000150:complications / Q000517:prevention & control; D004311:Double-Blind Method; D004992:Ethics, Medical; D006801:Humans; D010300:Parkinson Disease / Q000150:complications; D010919:Placebos; D012680:Sensitivity and Specificity
D010919:Placebos