RT Journal Article SR Electronic T1 1B: Immunological aspects leading to vaccine against H. pylori JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP A39 OP A46 DO 10.1136/gut.39.Suppl_2.A39 VO 39 IS Suppl 2 YR 1996 UL http://gut.bmj.com/content/39/Suppl_2/A39.abstract AB