Lexical usage of mentally retarded and nonretarded children.
D000293:Adolescent; D002648:Child; D002657:Child Development; D002675:Child, Preschool; D003071:Cognition; D005260:Female; D006760:Hospitalization; D006801:Humans; D008607:Intellectual Disability; D007802:Language; D008297:Male; D012931:Social Environment; D013060:Speech; D013803:Thematic Apperception Test; D014705:Verbal Behavior; D014825:Vocabulary