Marcela Lopez-Hurtado and Fernando M. Guerra-Infante
American Journal of Animal and Veterinary Sciences 1 ( 1 ): 5 - 7 , 2006
Juan Manuel Jimenez-Estrada, Marcos R. Escobedo-Guerra, Gabriel Arteaga-Troncoso, Marcela Lopez-Hurtado, Maria de Jesus de Haro-Cruz, Roberto Montes de Oca Jimenez and Fernando M. Guerra-Infante
American Journal of Animal and Veterinary Sciences 3 ( 4 ): 91 - 95 , 2008