PARAMO HERNANDEZ, David B; RODRIGUEZ SABOGAL, Iván Arturo  e  TOLEDO ARENAS, Jose Daniel. Efficacy of Eradicating Helicobacter Pylori for Prevention of Gastric Cancer: Systematic Review and Meta-Analysis. Rev Col Gastroenterol [online]. 2014, vol.29, n.3, pp.262-269. ISSN 0120-9957.