Spaterna A, Mechelli L, Rueca F, Cerquetella M, Brachelente C, Antognoni M T, Tesei B
Veterinary Science Department, Clinical Section, Faculty of Veterinary Medicine, University of Camerino, 62024 Matelica, Macerata, Marche, Italy.
Vet Res Commun. 2003 Sep;27 Suppl 1:795-8. doi: 10.1023/b:verc.0000014274.32708.40.