title: Syntactic indices of language use of mentally retarded and normal children.
mesh_terms: D000367:Age Factors; D002648:Child; D002674:Child, Institutionalized; D002675:Child, Preschool; D005260:Female; D006801:Humans; D008607:Intellectual Disability; D007360:Intelligence; D007802:Language; D014705:Verbal Behavior