Pusterla N, Mapes S, Wademan C, White A, Estell K, Swain E
Department of Medicine and Epidemiology, School of Veterinary Medicine, University of California, Davis, CA 95616, USA.
Vet Rec. 2012 May 5;170(18):465. doi: 10.1136/vr.100598. Epub 2012 Apr 2.