title: Metacarpo-phalangeal and ring creases in twins.
mesh_terms: D000293:Adolescent; D044466:Asian People; D001699:Biometry; D002648:Child; D003878:Dermatoglyphics / Q000145:classification*; D005260:Female; D005826:Genetics, Medical; D006801:Humans; D007564:Japan; D008297:Male; D008663:Metacarpus / Q000033:anatomy & histology; D011247:Pregnancy; D012727:Sex Characteristics; D014427:Twins