O say can you Se.
D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000517:prevention & control*; D004467:Economics; D005260:Female; D010922:Placenta Diseases / Q000517:prevention & control / Q000662:veterinary*; D011247:Pregnancy; D012643:Selenium / Q000627:therapeutic use*
D012643:Selenium