21 TRISOMY/NORMAL MOSAICISM IN   AN INTELLIGENT CHILD WITH SOME MONGOLOID CHARACTERS.
D002648:Child; D002891:Chromosomes, Human, Pair 21; D004314:Down Syndrome; D006801:Humans; D007360:Intelligence; D009030:Mosaicism; D014314:Trisomy; D024182:Uniparental Disomy
CHILD; MONGOLISM; TRISOMY