Vincenzetti S, Polidori P, Salimei E, Mariani P L, Allegri S, Cammertoni N, Quadrini B, Vita A
Department of Veterinary Sciences, University of Camerino, Matelica (MC), Italy.
Vet Res Commun. 2005 Aug;29 Suppl 2:211-3. doi: 10.1007/s11259-005-0045-x.