Swor T M, Skirpstunas R T, Hines M T, Ragle C A, Barbee D D
Department of Veterinary Clinical Sciences, College of Veterinary Medicine, Washington State University, Pullman 99164, USA.
J Am Vet Med Assoc. 2001 Feb 1;218(3):347-8. doi: 10.2460/javma.2001.218.347.