RT Journal Article SR Electronic T1 The importance of interleukin 1β inHelicobacter pylori associated disease JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 743 OP 747 DO 10.1136/gut.48.6.743 VO 48 IS 6 A1 E M EL-OMAR YR 2001 UL http://gut.bmj.com/content/48/6/743.abstract AB