Regional variations in Helicobacter pylori infection, gastric atrophy and gastric cancer risk : The ENIGMA study in Chile
Herrero, Rolando; Heise, Katy; Acevedo, Johanna; Cook, Paz; Gonzalez, Claudia; Gahona, Jocelyne; Cortés, Raimundo; Collado, Luis; Beltrán, María Enriqueta; Cikutovic, Marcos; Gonzalez, Paula; Leja, Marcis; Megraud, Francis; Hernandez, Maria de la Luz; Barbier, Sylvaine; Park, Jin Young; Ferreccio, Catterina; ENIGMA Chile study group (2020-09-08)