Genetic characteristics and extracolonic phenotypic manifestations in patients with familiar adenomatous polyposis Víctor Argumánez; Vicente Lorenzo-Zúñiga; Marco Bustamante-Balén; Sonia García García; Isabel Terol Cháfer; Silvestre Oltra; Vicente Pons-Beltrán;

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;