title: Birth of twin calves following a simple transcervical non-surgical egg transfer technique.
mesh_terms: D000818:Animals; D002417:Cattle / Q000502:physiology*; D005260:Female; D007315:Insemination, Artificial / Q000662:veterinary; D010063:Ovum / Q000637:transplantation*; D011247:Pregnancy; D011270:Pregnancy, Animal; D011272:Pregnancy, Multiple; D014184:Transplantation, Homologous; D014427:Twins