1.
Rev. colomb. gastroenterol
;
30(1): 1-2, ene.-mar. 2015.
Article
in Spanish
| LILACS
| ID: lil-747639
2.
Acta méd. colomb
;
26(1): 1-2, ene.-feb. 2001.
Article
in Spanish
| LILACS
| ID: lil-358400
3.
Acta méd. colomb
;
25(4): 161-162, jul.-ago. 2000.
Article
in Spanish
| LILACS
| ID: lil-358415