A comparison of two analytic procedures for estimating twin zygosity.
D001789:Blood Group Antigens; D001827:Body Height; D001835:Body Weight; D005123:Eye; D005260:Female; D006197:Hair; D006801:Humans; D008297:Male; D010858:Pigmentation; D011247:Pregnancy; D013223:Statistics as Topic; D014427:Twins
D001789:Blood Group Antigens