J. Moschos, G. Kouklakis, N. Lyratzopoulos, E. Efremidou, E. Maltezos, and G. Minopoulos, “Gastroesophageal Reflux Disease and Helicobacter pylori: Lack of Influence of Infection on Oesophageal Manometric, 3- Hour Postprandial pHmetric and Endoscopic Findings”, JGLD, vol. 14, no. 4, pp. 351–355, Dec. 2005.