Transition issues for the 1990s.
D000293:Adolescent; D000328:Adult; D004495:Education of Persons with Intellectual Disabilities / Q000639:trends*; D004519:Education, Special / Q000639:trends*; D005544:Forecasting; D006801:Humans; D012050:Rehabilitation, Vocational / Q000639:trends*; D014481:United States