PT - JOURNAL ARTICLE ED - , TI - CORRECTIONS AID - 10.1136/gut.2006.gt114892corr1 DP - 2008 Jun 01 TA - Gut PG - 872--872 VI - 57 IP - 6 4099 - http://gut.bmj.com/content/57/6/872.3.short 4100 - http://gut.bmj.com/content/57/6/872.3.full SO - Gut2008 Jun 01; 57