PT - JOURNAL ARTICLE ED - , TI - Correction AID - 10.1136/gut.2007.128405 DP - 2011 Jan 01 TA - Gut PG - 140--140 VI - 60 IP - 1 4099 - http://gut.bmj.com/content/60/1/140.1.short 4100 - http://gut.bmj.com/content/60/1/140.1.full SO - Gut2011 Jan 01; 60