Testoni S, Mazzariol S, Drögemüller C, Piffer C, Aresu L, Gentile A
Department of Veterinary Clinical Sciences, University of Padua, Via Dell'Università 16, 35020 Legnaro, Padua, Italy.
Vet Rec. 2012 Jan 7;170(1):22. doi: 10.1136/vr.100209. Epub 2011 Oct 21.