Admission and prevalence rates for psychiatric facilites in four register areas.
D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D003156:Community Mental Health Services; D003710:Demography; D006778:Hospitals, Psychiatric; D006801:Humans; D007223:Infant; D001523:Mental Disorders / Q000145:classification / Q000453:epidemiology*; D008875:Middle Aged; D012423:Rural Health; D014481:United States