Elicited verbal and nonverbal imitation in Down's syndrome and other mentally retarded children: a replication and extension of berry.
D002648:Child; D004314:Down Syndrome / Q000523:psychology*; D005260:Female; D005868:Gestures; D006801:Humans; D007100:Imitative Behavior; D008607:Intellectual Disability / Q000523:psychology*; D008297:Male; D014705:Verbal Behavior