Ultrasound diagnosis of pregnancy in cattle.
Dalton
J R
JR
D000818:Animals; D002417:Cattle; D005065:Euthanasia / Q000662:veterinary; D005260:Female; D011247:Pregnancy; D011270:Pregnancy, Animal; D014427:Twins; D016216:Ultrasonography, Prenatal / Q000592:standards / Q000662:veterinary*