Oestrone sulphate for pregnancy diagnosis in sows.
D000818:Animals; D004970:Estrone / Q000031:analogs & derivatives* / Q000097:blood; D005260:Female; D011247:Pregnancy; D011258:Pregnancy Tests / Q000662:veterinary*; D013552:Swine / Q000502:physiology*
D004970:Estrone; C017296:estrone sulfate