1.
Rev. Fac. Med. (Bogotá)
; 50(3): 138-146, jul.-sept. 2002. ilus, tab, graf
Article
in Spanish
| LILACS
| ID: lil-424553
2.
Rev. Fac. Med. (Bogotá)
; 50(1): 14-21, ene.-mar. 2002. graf
Article
in Spanish
| LILACS
| ID: lil-424569