1.
Pediatría (Bogotá)
;
31(4): 130-1, dic. 1996.
Article
in Spanish
| LILACS
| ID: lil-237708
2.
Pediatría (Bogotá)
;
5(2): 86-7, jun. 1995.
Article
in Spanish
| LILACS
| ID: lil-190453