Rodgerson Dwayne H, Brown Murray P, Watt Bruce C, Keoughan Curry G, Hanrath Monique
Department of Large Animal Clinical Sciences, College of Veterinary Medicine, Gainesville, FL 32510-0136, USA.
J Am Vet Med Assoc. 2002 May 15;220(10):1503-7, 1475. doi: 10.2460/javma.2002.220.1503.