R. F. Zaraa, W. A. Silva, E. A. Vianna Filhoa, C. A. Silvab, J. V. Visentainera, M. Matsushitaa and N. E. de Souza
Journal of Animal and Veterinary Advances 4 ( 2 ): 282 - 286 , 2005
D.M. Fonsecaa, I.N. Pradob, J.V. Visentainera, M. Matsushitaa and N.E. de Souzaa
Journal of Animal and Veterinary Advances 4 ( 4 ): 462 - 466 , 2005