Problems associated with twin pregnancies in dairy cows.
Den
D
Leonard
D000822:Animal Husbandry; D000818:Animals; D002417:Cattle; D003612:Dairying; D005260:Female; D011247:Pregnancy; D011270:Pregnancy, Animal; D014427:Twins; D016216:Ultrasonography, Prenatal / Q000662:veterinary*