Reproductive wastage in the mare and its relationship to progesterone in early pregnancy.
D000818:Animals; D004971:Estrus / Q000097:blood; D005260:Female; D005313:Fetal Death / Q000097:blood / Q000662:veterinary*; D006734:Horse Diseases / Q000097:blood*; D006736:Horses; D011247:Pregnancy; D011374:Progesterone / Q000097:blood*
D011374:Progesterone