1.
Col. med. estado Táchira
;
17(4): 47-58, oct.-dic. 2008.
Article
in Spanish
| LILACS
| ID: lil-531300
2.
Col. med. estado Táchira
;
17(1): 58-60, ene.-mar. 2008.
Article
in Spanish
| LILACS
| ID: lil-531290