Image-enhanced endoscopy in the diagnosis of gastric premalignant conditions and gastric cancer Maria Moreno-Sánchez; Joaquín Cubiella; Gloria Fernández Esparrach; Jose Carlos Marin-Gabriel;

A brief summary of endoscopic classifications in the upper gastrointestinal tract and their clinical relevance Javier Jiménez Sánchez; Pedro Delgado-Guillena; Leticia Moreira; Juan José Martínez Crespo;

History and clinical guidelines for chronic atrophic gastritis and the assessment of gastric cancer risk Pedro Delgado-Guillena; Raúl Velamazan-Sandalinas; Javier Jiménez Sánchez; Esteban Fuentes-Valenzuela; Natalia García-Morales; Miriam Cuatrecasas; Mireya Jimeno; Leticia Moreira; Eduardo Albéniz;