References
- Andrews , E.D. , Hogan , K.G. and Sheppard , A.D. 1976 . Selenium in soils, pastures and animal tissues in relation to the growth of young sheep on a marginally selenium-deficient area . N.Z.vet.J. , 24 : 111 – 116 .
- Cooper , W.C. 1967 . “ Symposium: Selenium in Biomedicine. Chapter 12 ” . In Selenium Toxicity in Man , Edited by: O.H. , Muth . Westport, Conn., , U.S.A. : AVI Publishing Co. .
- Hartley , W.J. 1963 . Selenium and ewe fertility . Proc. N.Z. Soc. Anim. Prod. , 23 : 20 – 27 .
- Technical Committee N.Z. Veterinary Assn. 1962 . Diseases of Domestic Animals in New Zealand , 221 – 222 . Wellington : Editorial Services Ltd. .
- Watkinson , J.H. 1966 . Ftuorimetric determination of selenium in biological material with 2,3-diaminonaphthalene Analyt . Chem. , 38 : 92 – 97 .