Beaver Bonnie V, Gros Robert, Bailey E Murl, Lovern Cindy S
Department of Small Animal Clinical Sciences, College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX 77843, USA.
J Am Vet Med Assoc. 2006 Sep 15;229(6):943-8. doi: 10.2460/javma.229.6.943.