Registro Poblacional de Cáncer de Cali;
Department of Pathology;
School of Medicine;
Universidad del Valle;
Department of Biology;
Universidad de Nario;
Helicobacter; pylori; Antimicrobial; susceptibility; cag; pathogenicity; island; cagA; 3’region; Random; amplified; polymorphic; DNA-polymerase; chain; reaction;