Harran Nathaniel, Bowlt Kelly, Llabres-Diaz Francisco, Daly Mike, Barr Frances
Division of Companion Animals, Department of Clinical Veterinary Science, University of Bristol, Langford, Bristol, BS40 5DU, England.
J Am Vet Med Assoc. 2013 Apr 1;242(7):917-9. doi: 10.2460/javma.242.7.917.