title: Education of handicapped preschoolers: a national survey of services and personnel requirements.
mesh_terms: D002648:Child; D006233:Persons with Disabilities; D004519:Education, Special / Q000639:trends*; D006301:Health Services Needs and Demand / Q000639:trends*; D006302:Health Services Research / Q000639:trends*; D006801:Humans; D014481:United States