1.
Rev. argent. coloproctología
;
10(1,n.ext): 10-2, sept. 1999.
Article
in Spanish
| LILACS
| ID: lil-265871
2.
Rev. argent. coloproctología
;
10(1,n.ext): 15-7, sept. 1999.
Article
in Spanish
| LILACS
| ID: lil-265873