1.
Gastroenterol. latinoam
;
23(2): 113-115, abr.-jun. 2012. tab
Article
in Spanish
| LILACS
| ID: lil-661604
2.
Gastroenterol. latinoam
;
22(3): 271-273, jul.-sept. 2011. tab
Article
in Spanish
| LILACS
| ID: lil-661672