PT - JOURNAL ARTICLE ED - , TI - CORRECTION AID - 10.1136/gut.2004.059063corr1 DP - 2006 Apr 01 TA - Gut PG - 592--592 VI - 55 IP - 4 4099 - http://gut.bmj.com/content/55/4/592.2.short 4100 - http://gut.bmj.com/content/55/4/592.2.full SO - Gut2006 Apr 01; 55