1.
Acta gastroenterol. latinoam
;
36(4): 169-: 231-: passim-169, 231, dic. 2006. ilus
Article
in English
| LILACS
| ID: lil-459127
2.
Acta gastroenterol. latinoam
;
36(4): 231-231, dic. 2006. ilus
Article
in Spanish
| LILACS, BINACIS
| ID: biblio-1157317