Clinical and pathologic characteristics of gastric adenocarcinoma associated with Epstein-Barr virus in a region with a high incidence of gastric cancer in Colombia A. Vidal-Realpe; R.A. Dueñas-Cuellar; V.E. Niño-Castaño; D.L. Mora-Obando; J.J. Arias-Agudelo; H.J. Bolaños;

Helicobacter pylori genotypes associated with gastric cancer and dysplasia in Colombian patients Y.H. Carlosama-Rosero; C.P. Acosta-Astaiza; C.H. Sierra-Torres; H.J. Bolaños-Bravo;