PT - JOURNAL ARTICLE ED - , TI - CORRECTION AID - 10.1136/gut.2004.40139corr1 DP - 2007 Jul 01 TA - Gut PG - 1036--1036 VI - 56 IP - 7 4099 - http://gut.bmj.com/content/56/7/1036.2.short 4100 - http://gut.bmj.com/content/56/7/1036.2.full SO - Gut2007 Jul 01; 56