[Problems of mental retardation in England and Wales].
D000293:Adolescent; D002648:Child; D004495:Education of Persons with Intellectual Disabilities; D004739:England; D005260:Female; D006801:Humans; D008607:Intellectual Disability; D008297:Male; D014852:Wales
Problematyka niedorozwojów umysłowych w Anglii i Walii.