title: Case study. Is longer always better? Commentary.
authors.affiliation: Bioethics Department, Clinical Center, National Institutes of Health, USA.
authors.forename: Ezekiel J
authors.initials: EJ
authors.lastname: Emanuel
authors.forename: Christine
authors.initials: C
authors.lastname: Grady
mesh_terms: 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