title: Historical origins of deinstitutionalization.
mesh_terms: D000368:Aged; D003688:Deinstitutionalization / Q000266:history*; D049672:History, 19th Century; D049673:History, 20th Century; D006760:Hospitalization; D006778:Hospitals, Psychiatric / Q000266:history; D006801:Humans; D001523:Mental Disorders / Q000628:therapy; D011570:Psychiatry / Q000266:history; D014481:United States