1.
Rev. colomb. gastroenterol
;
17(2): 74-76, jun. 2002.
Article
in Spanish
| LILACS
| ID: lil-346409
2.
Rev. colomb. reumatol
;
9(1): 19-23, mar. 2002.
Article
in Spanish
| LILACS
| ID: lil-346532