Galuppi R, Avenoso A M, Leotti G, Ostanello F, Poglayen G, Tampieri M P
Department of Veterinary Public Healt and Animal Pathology, Alma Mater Studiorum, University of Bologna, Bologna, Italy.
Vet Res Commun. 2007 Aug;31 Suppl 1:233-6. doi: 10.1007/s11259-007-0013-8.