Nannarone S, Gialletti R, Veschini I, Bufalari A, Moriconi F
Department of Veterinary Pathology, Diagnostic and Clinic, section of Surgery and Radiodiagnostic, University of Perugia, Perugia, Italy.
Vet Res Commun. 2007 Aug;31 Suppl 1:309-12. doi: 10.1007/s11259-007-0103-7.