1.
Rev. Fac. Med. (Bogotá)
;
50(2): 103-109, abr.-jun. 2002. ilus
Article
in Spanish
| LILACS
| ID: lil-424565
2.
Rev. Fac. Med. (Bogotá)
;
49(2): 110-114, abr.-jun. 2001. graf
Article
in Spanish
| LILACS
| ID: lil-424602