PT - JOURNAL ARTICLE ED - , TI - Correction AID - 10.1136/gut.2008.174516corr1 DP - 2009 Sep 01 TA - Gut PG - 1312--1312 VI - 58 IP - 9 4099 - http://gut.bmj.com/content/58/9/1312.2.short 4100 - http://gut.bmj.com/content/58/9/1312.2.full SO - Gut2009 Sep 01; 58