title: Ethical problems and design of controlled clinical trials.
authors.affiliation: Freie Universität Berlin, Psychiatrische Klinik und Poliklinik, FRG.
authors.forename: H
authors.initials: H
authors.lastname: Helmchen
mesh_terms: D002986:Clinical Trials as Topic / Q000592:standards*; D004992:Ethics, Medical; D006801:Humans; D007258:Informed Consent; D011619:Psychotropic Drugs / Q000009:adverse effects / Q000627:therapeutic use*; D012107:Research Design
chemical_list: D011619:Psychotropic Drugs