Progesterone assays of milk and the control of infertility.
D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000175:diagnosis*; D005260:Female; D007247:Infertility, Female / Q000175:diagnosis / Q000662:veterinary*; D008892:Milk / Q000032:analysis*; D011247:Pregnancy; D011374:Progesterone / Q000032:analysis*
D011374:Progesterone