title: [Patients with mental disturbances, clinical research and the use of placebos: a complex subject; dubious answers].
authors: Cátedra Unesco e Programa de Pós-Graduação em Bioética, Universidade de Brasília, Brazil. volnei@conectanet.com.br
authors: Volnei
authors: V
authors: Garrafa
mesh_terms: D035843:Biomedical Research / Q000941:ethics*; D006801:Humans; D001523:Mental Disorders / Q000188:drug therapy*; D010919:Placebos / Q000627:therapeutic use*; D012107:Research Design
chemical_list: D010919:Placebos