L. Corona, A. Plascencia, R. A. Ware and R. A. Zinn
Journal of Animal and Veterinary Advances 4 ( 2 ): 247 - 253 , 2005
Alvarez, E. G, A. Plascencia and R. A. Zinn
Journal of Animal and Veterinary Advances 4 ( 4 ): 448 - 452 , 2005
Journal of Animal and Veterinary Advances 3 ( 7 ): 470 - 474 , 2004
E. G. Alvarez, J. F. Calder?n, M. F. MontaZo, R. A. Ware and R. A. Zinn
Journal of Animal and Veterinary Advances 3 ( 8 ): 506 - 512 , 2004
Plascencia, G. D., C. Mendoza, C. V?squez and R. A. Zinn
Journal of Animal and Veterinary Advances 3 ( 11 ): 763 - 768 , 2004