Prolonged gestation in a Holstein-Friesian cow. Clinical and reproductive steroid studies.
D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000601:surgery*; D002585:Cesarean Section / Q000662:veterinary; D004967:Estrogens / Q000652:urine*; D005260:Female; D011247:Pregnancy; D011248:Pregnancy Complications / Q000662:veterinary*; D011273:Pregnancy, Prolonged
D004967:Estrogens