1. Plasma selenium values in newborn calves;Bostedt;Tierärztl. Prax.,1987
2. Brander , G. C. D. M. Pugh R. J. Bywater W. L. Jenkins 1991 Veterinary applied pharmacology & therapeutics. Bailliere Tindal, 5th edition
3. Field study of relationship between selenium status and placental retention in cows;Dotta;Schweizer Arch. Tierheilk.,1985
4. Selenium poisoning in lambs;Hopper;Vet. Rec.,1985