Capitani Ombretta, Valgimigli Simond, Tamburro Roberto, Fracassi Federico, Morini Maria, Bettini Giuliano
Veterinary Clinic Department and the Department of Veterinary Public Health and Animal Pathology, University of Bologna, Ozzano nell'Emilia, Bologna, Italy.
J Am Vet Med Assoc. 2008 May 1;232(9):1295-6. doi: 10.2460/javma.232.9.1295.