PT - JOURNAL ARTICLE ED - , TI - Secondary prevention of gastric cancer AID - 10.1136/gut.2007.133926 DP - 2007 Dec 01 TA - Gut PG - 1646--1647 VI - 56 IP - 12 4099 - http://gut.bmj.com/content/56/12/1646.short 4100 - http://gut.bmj.com/content/56/12/1646.full SO - Gut2007 Dec 01; 56