The palmar a-b ridge count in Japanese: normal population, Down's syndrome and Klinefelter's syndrome.
D000293:Adolescent; D000328:Adult; D000886:Anthropometry; D002648:Child; D002675:Child, Preschool; D003878:Dermatoglyphics; D004314:Down Syndrome; D005260:Female; D006225:Hand; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007564:Japan; D007713:Klinefelter Syndrome; D008297:Male; D008875:Middle Aged; D012730:Sex Chromosomes