title: Scientific and ethical considerations in the use of placebo controls in clinical trials in psychopharmacology.
mesh_terms: D002986:Clinical Trials as Topic; D035061:Control Groups; D004992:Ethics, Medical; D006801:Humans; D028642:Persons with Psychiatric Disorders; D010919:Placebos; D011600:Psychopharmacology; D012107:Research Design
chemical_list: D010919:Placebos