Helicobacter pylori on portal hypertension-related hepatic encephalopathy. (4th March 2017) - Kountouras, Jannis; Polyzos, Stergios A.; Katsinelos, Panagiotis; Tzivras, Dimitri; Boziki, Marina; Gavalas, Emmanuel; Zavos, Christos; Vardaka, Elizabeth; Romiopoulos, Iordanis; Anastasiadis, Sotiris; Tsiaousi, Elena; Kountouras, Constantinos; et al.