Implications of 1965 federal legislation for mental retardation.
D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D004495:Education of Persons with Intellectual Disabilities; D006801:Humans; D008607:Intellectual Disability; D007883:Legislation, Medical; D008875:Middle Aged; D014481:United States; D014829:Vocational Education