Pereira, N. A.; Monez, T. A.; Pereira, C. A. D.; Richtzenhain, L. J.; Durigon, E. L. Antigenic Characterization of Canine Parvovirus Isolates from Brazil Using Specific Monoclonal Antibodies. Braz. J. Vet. Res. Anim. Sci. 2008, 45, 385-389.