Ethical issues in randomized clinical trials.
Catt
J H
JH
MacLean Center for Clinical Medical Ethics, University of Chicago, USA.
Karlawish
J
J
Logemann
J
J
D016235:American Speech-Language-Hearing Association; D004995:Ethics, Professional; D006801:Humans; D016032:Randomized Controlled Trials as Topic / Q000592:standards*; D013066:Speech-Language Pathology; D014481:United States