C.J. Jaramillo-Arango, R. Hernandez-Castro, F. Suarez-Guemes, J.J. Martinez-Maya, F. Aguilar-Romero, L. Jaramillo-Meza and F.J. Trigo
Journal of Animal and Veterinary Advances 6 ( 3 ): 404 - 409 , 2007
C.J. Jaramillo-Arango, R. Hernandez-Castro, V.Campuzano-Ocampo, F. Suarez-Guemes, R. Delgado-Gonzalez and F. Trigo-Tavera
Journal of Animal and Veterinary Advances 6 ( 12 ): 1398 - 1404 , 2007