Saker K E, Eddy A L, Thatcher C D, Kalnitsky J
Department of Large Animal Clinical Sciences, Virginia-Maryland Regional College of Veterinary Medicine, Blacksburg, VA 24061, USA.
J Nutr. 1998 Dec;128(12 Suppl):2645S-2647S. doi: 10.1093/jn/128.12.2645S.