title: Absence of palmar digital triradius d in Japanese twins and their families.
mesh_terms: D000328:Adult; D002648:Child; D003878:Dermatoglyphics; D005260:Female; D005787:Gene Frequency; D006801:Humans; D007564:Japan; D008297:Male; D011247:Pregnancy; D014427:Twins; D014429:Twins, Dizygotic; D014430:Twins, Monozygotic