Randomised controlled trials (RCTs)--sample size: the magic number?
Chan
Y H
YH
Clinical Trials and Epidemiology Research Unit, 226 Outram Road, Blk A #02-02, Singapore 169039. chanyh@cteru.gov.sg
D006801:Humans; D016032:Randomized Controlled Trials as Topic; D018401:Sample Size; D012984:Software