Trends in psychiatric hospital care of geriatric patients in the United States.
D000368:Aged; D006285:Health Planning; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D006760:Hospitalization; D006778:Hospitals, Psychiatric / Q000266:history*; D006801:Humans; D007878:Legislation as Topic; D001523:Mental Disorders / Q000453:epidemiology / Q000628:therapy*; D008603:Mental Health; D011158:Population Growth; D011613:Psychotherapy; D014481:United States