title: Examining early intentional communication in Down's syndrome and nonretarded children.
mesh_terms: D002648:Child; D002675:Child, Preschool; D003142:Communication; D004314:Down Syndrome / Q000523:psychology*; D005260:Female; D005868:Gestures; D006801:Humans; D007802:Language; D008297:Male; D013060:Speech