Chilean Association of Digestive Endoscopy (ACHED) guidelines for the detection of early gastric cancer and surveillance of gastric premalignant conditions in high-risk populations G Gonzalo Latorre; A Alberto Espino; Raúl Araya; Matías Arteaga; Harold Benites-Goñi; María Ester Bufadel; Dacio Cabrera-Hinojosa; R Roberto Candia; Julian Cordero; Oscar Corsi; Pablo Cortés; Felipe Donoso; Fabian Emura; Carolina Heredia; Daniel Martínez; Rodrigo Mansilla; Leticia Moreira; Felipe Moscoso; María Blanca Piazuelo; Mauricio Pizarro; Diego Reyes; Arnoldo Riquelme; Shailja C. Shah; Felipe Silva; Verónica Silva; Paulina Toledo; Antonio Rollán;

Escala para detección endoscópica de infección por Helicobacter pylori en un área de alta prevalencia de cáncer gástrico Martínez Montalvo Carlos Mauricio; Gómez Zuleta Martín Alonso; Ruiz Oscar Fernando; Muñoz-Solano Lina Marcela; Forero Vargas Daniel Andrés;

Pediatric gallstone disease¿Management difficulties in clinical practice Ana Losa; Gisela Silva; Sara Mosca; Berta Bonet; Helena Moreira Silva; Ermelinda Santos Silva;