Exceptional children: models of prevention.
D002648:Child; D004495:Education of Persons with Intellectual Disabilities; D006266:Health Education; D006801:Humans; D008607:Intellectual Disability / Q000517:prevention & control*; D007883:Legislation, Medical; D008403:Mass Screening; D008661:Metabolism, Inborn Errors / Q000517:prevention & control / Q000628:therapy