1.
Biomédica (Bogotá)
;
19(2): 169-75, jun. 1999. tab
Article
in Spanish
| LILACS
| ID: lil-252638
2.
Biomédica (Bogotá)
;
19(2): 176-83, jun. 1999. tab
Article
in Spanish
| LILACS
| ID: lil-252639