Mohamed, A R Plasma oestrone sulphate and progesterone concentrations in cows and ewes associated with fetal death and abortion. [electronic resource] - The British veterinary journal - 238-45 p. digital Publication Type: Journal Article ISSN: 0007-1935 Standard No.: 10.1016/0007-1935(87)90086-8 doi Subjects--Topical Terms: Abortion, Veterinary--bloodAnimalsCattleCattle Diseases--bloodEstrogens, Conjugated (USP)--bloodEstrone--analogs & derivativesFemaleFetal Death--veterinaryPregnancyPregnancy Complications, Infectious--bloodProgesterone--bloodSheepSheep Diseases--blood