title: Symbol use by developmentally disabled children.
authors: J A
authors: JA
authors: Atlas
mesh_terms: D001321:Autistic Disorder / Q000523:psychology*; D002648:Child; D003142:Communication; D004519:Education, Special; D005260:Female; D006801:Humans; D007805:Language Development Disorders / Q000523:psychology; D008297:Male; D012565:Schizophrenic Psychology