Peli A, Fruganti A, Bettini G, Aste G, Boari A
Department of Veterinary Clinical Sciences, Internal Medicine Section, Faculty of Veterinary Medicine, University of Bologna, Bologna, Italy.
Vet Res Commun. 2003 Sep;27 Suppl 1:419-23. doi: 10.1023/b:verc.0000014194.93010.6a.