1.
Rev. Fac. Med. (Bogotá)
; 50(2): 98-102, abr.-jun. 2002. ilus, tab
Article
in Spanish
| LILACS
| ID: lil-424564
2.
Rev. Fac. Med. (Bogotá)
; 49(1): 278-282, ene.-mar. 2001. ilus, tab
Article
in Spanish
| LILACS
| ID: lil-424610