Authors: Miguel González-Lozano; Daniel Mota-Rojas; E Yadira Velázquez-Armenta; Alejandro A Nava-Ocampo; Rafael Hernández-González; Marcelino Becerril-Herrera; María E Trujillo-Ortega; María Alonso-Spilsbury Journal: Can Vet J Date: 2009-12 Impact factor: 1.008