title: A case of unrelated twins in cattle.
mesh_terms: D000818:Animals; D001789:Blood Group Antigens; D002417:Cattle / Q000097:blood / Q000235:genetics*; D002678:Chimera; D004624:Embryo Transfer; D005260:Female; D008297:Male; D011247:Pregnancy; D014184:Transplantation, Homologous; D014427:Twins
chemical_list: D001789:Blood Group Antigens