title: Medical ethics and controlled clinical trials.
authors.forename: Jerome O
authors.initials: JO
authors.lastname: Klein
mesh_terms: D002648:Child; D016265:Conflict of Interest; D032962:Consent Forms; D035061:Control Groups; D004992:Ethics, Medical; D005333:Fetus; D006805:Human Experimentation; D006801:Humans; D007258:Informed Consent; D010919:Placebos; D011329:Prisoners; D011897:Random Allocation; D012015:Reference Standards; D012106:Research; D012107:Research Design; D012306:Risk; D018570:Risk Assessment; D036302:Therapeutic Human Experimentation
chemical_list: D010919:Placebos