1.
Invest. clín
;
47(3): 215-218, sept. 2006.
Article
in Spanish
| LILACS
| ID: lil-461369
2.
Acta bioquím. clín. latinoam
;
27(3): 333-46, set. 1993. ilus
Article
in Spanish
| LILACS
| ID: lil-131855