Simplified magnetic anchor-guided endoscopic submucosal dissection: an ex vivo porcine model M.Á. Ramírez-Ramírez; Y. Zamorano-Orozco; E.G. Beltrán-Campos;

Interval gastric cancer: A call to attentiveness and action R. Castaño-Llano; A. Piñeres; R. Jaramillo; S. Molina; F. Aristizábal; J.E. Puerta;

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;