1.
Rev. gastroenterol. Perú
;
26(Supl): 174-181, 2006. ilus, tab, graf
Article
in Spanish
| LILACS, LIPECS
| ID: lil-533754
2.
Rev. gastroenterol. Perú
;
24(n.esp): 116-119, nov. 2004. graf
Article
in Spanish
| LILACS, LIPECS
| ID: lil-568248