PT - JOURNAL ARTICLE AU - El-Omar, Emad AU - Vermeire, Severine AU - Gerbes, Alexander TI - Digest AID - 10.1136/gut.2010.215038 DP - 2010 May 01 TA - Gut PG - i--ii VI - 59 IP - 5 4099 - http://gut.bmj.com/content/59/5/i.short 4100 - http://gut.bmj.com/content/59/5/i.full SO - Gut2010 May 01; 59