Active Helicobacter pylori infection is associated with colorectal mucosa – adenomatous polyp – early and advanced adenocarcinoma sequence. (March 2014) - Kountouras, Jannis; Kapetanakis, Nikolaos; Zavos, Christos; Polyzos, Stergios A.; Kouklakis, George; Venizelos, Ioannis; Nikolaidou, Christina; Tzilves, Dimitrios; Paikos, Dimitrios; Katsinelos, Panagiotis; Giouleme, Olga; Soufleris, Konstantinos