1.
Vet. Méx
; 26(2): 133-5, abr.-jun. 1995. tab
Article
in Spanish
| LILACS
| ID: lil-173883
2.
Vet. Méx
; 25(4): 363-5, oct.-dic. 1994. ilus
Article
in Spanish
| LILACS
| ID: lil-187985