Case study. Is longer always better? Commentary.
Emanuel
Ezekiel J
EJ
Bioethics Department, Clinical Center, National Institutes of Health, USA.
Grady
Christine
C
D032882:Comprehension; D032962:Consent Forms / Q000941:ethics* / Q000592:standards; D006801:Humans; D033281:Nontherapeutic Human Experimentation / Q000941:ethics*; D016032:Randomized Controlled Trials as Topic / Q000941:ethics* / Q000379:methods