title: The time of detection of oestrone sulphate in milk and the diagnosis of pregnancy in cows.
mesh_terms: D000818:Animals; D002417:Cattle; D004970:Estrone / Q000031:analogs & derivatives* / Q000032:analysis; D005260:Female; D005865:Gestational Age; D008892:Milk / Q000032:analysis*; D011247:Pregnancy; D011258:Pregnancy Tests / Q000662:veterinary*; D011374:Progesterone / Q000032:analysis
chemical_list: D004970:Estrone; D011374:Progesterone; C017296:estrone sulfate