Levi Ohad, Vaughan Betsy, Puchalski Sarah M, Macdonald Melinda H
Department of Surgical and Radiological Sciences, School of Veterinary Medicine, University of California-Davis, Davis, CA 95616, USA.
J Am Vet Med Assoc. 2011 Feb 15;238(4):431-2. doi: 10.2460/javma.238.4.431.