title: Absence of palmar digital triradius d observed in 2,681 Japanese families and clinical significance.
mesh_terms: D000328:Adult; D002648:Child; D000013:Congenital Abnormalities / Q000235:genetics / Q000473:pathology; D003878:Dermatoglyphics; D005260:Female; D005823:Genetics; D006801:Humans; D008297:Male; D014427:Twins