Oestrone sulphate in milk as an indicator of a viable conceptus in cows.
D000818:Animals; D002417:Cattle / Q000502:physiology*; D004970:Estrone / Q000032:analysis*; D005260:Female; D008892:Milk / Q000032:analysis*; D011247:Pregnancy; D011258:Pregnancy Tests / Q000662:veterinary*
D004970:Estrone