Dermatoglyphics and level of retardation in Down's syndrome.
D002904:Chromosomes, Human, 21-22 and Y; D003878:Dermatoglyphics; D004314:Down Syndrome / Q000175:diagnosis*; D005528:Foot; D006225:Hand; D006801:Humans; D007360:Intelligence; D007361:Intelligence Tests; D007621:Karyotyping; D014314:Trisomy