title: Prospects and problems of pregnancy and fertility diagnosis in the pig by aid of progesterone determination.
mesh_terms: D000818:Animals; D005260:Female; D005298:Fertility; D008892:Milk / Q000032:analysis*; D011247:Pregnancy; D011258:Pregnancy Tests / Q000662:veterinary*; D011374:Progesterone / Q000032:analysis*; D013552:Swine / Q000502:physiology*
chemical_list: D011374:Progesterone