title: Oestrone sulphate in milk and its association with pregnancy.
mesh_terms: D000818:Animals; D002417:Cattle; D004970:Estrone / Q000032:analysis*; D005260:Female; D008892:Milk / Q000032:analysis*; D011247:Pregnancy; D011270:Pregnancy, Animal; D013431:Sulfates / Q000032:analysis*
chemical_list: D013431:Sulfates; D004970:Estrone