O'Neil Elizabeth J, Horney Barbara S, Gagnon Rachelle L, Burton Shelley A
Department of Pathology and Microbiology, Atlantic Veterinary College, University of Prince Edward Island, Charlottetown, PE C1A 4P3, Canada.
J Am Vet Med Assoc. 2011 Jun 15;238(12):1561-3. doi: 10.2460/javma.238.12.1561.