Bernardini C, Fantinati P, Castellani G, Forni M, Zannoni A, Seren E, Bacci M L
Department of Veterinary Morphophysiology and Animal Production, University of Bologna, Ozzano Emilia, Italy.
Vet Res Commun. 2003 Sep;27 Suppl 1:575-8. doi: 10.1023/b:verc.0000014220.96267.94.