Pradelli D, Quintavalla C, Domenech O, Bussadori C
Department of Animal Health, Section of Veterinary Internal Medicine, Faculty of Veterinary Medicine, University of Parma, Via del Taglio 8, 43100 Parma, Italy.
Vet Res Commun. 2003 Sep;27 Suppl 1:787-9. doi: 10.1023/b:verc.0000014272.65194.0f.