title: A study of the relationship between syntactic development and concrete operations in deaf children.
mesh_terms: D000293:Adolescent; D002648:Child; D002657:Child Development; D003210:Concept Formation; D003638:Deafness / Q000523:psychology*; D005260:Female; D006801:Humans; D007804:Language Development; D008297:Male; D012660:Semantics; D012813:Sign Language