PT - JOURNAL ARTICLE ED - , TI - JournalScan DP - 2007 Mar 01 TA - Gut PG - 416--416 VI - 56 IP - 3 4099 - http://gut.bmj.com/content/56/3/416.short 4100 - http://gut.bmj.com/content/56/3/416.full SO - Gut2007 Mar 01; 56