RT Journal Article SR Electronic T1 Helicobacter pylori infection in gastric extranodal marginal zone lymphoma of mucosa-associated lymphoid tissue (MALT) lymphoma: a re-evaluation JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 1526 OP 1527 DO 10.1136/gutjnl-2014-307389 VO 63 IS 9 A1 Larissa Sena Teixeira Mendes A1 Ayoma D Attygalle A1 Andrew C Wotherspoon YR 2014 UL http://gut.bmj.com/content/63/9/1526.abstract AB