An international review of developments in mental retardation.
D004495:Education of Persons with Intellectual Disabilities; D005380:Financing, Government; D006268:Health Facilities; D006801:Humans; D008607:Intellectual Disability / Q000175:diagnosis / Q000517:prevention & control; D007390:International Agencies; D012050:Rehabilitation, Vocational; D012106:Research; D012112:Residential Facilities; D014838:Volunteers