A North Wales experiment in subnormality care.
D000293:Adolescent; D000328:Adult; D002648:Child; D004495:Education of Persons with Intellectual Disabilities; D006778:Hospitals, Psychiatric; D006801:Humans; D008607:Intellectual Disability / Q000451:nursing / Q000628:therapy*; D008875:Middle Aged; D012114:Residential Treatment; D014852:Wales