The sydney line: a significant sign in Down's syndrome.
D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D003878:Dermatoglyphics; D004314:Down Syndrome / Q000473:pathology*; D005260:Female; D006225:Hand / Q000473:pathology*; D006801:Humans; D008297:Male; D008875:Middle Aged