PT - JOURNAL ARTICLE AU - El-Omar, Emad TI - Digest DP - 2007 Mar 01 TA - Gut PG - 313--313 VI - 56 IP - 3 4099 - http://gut.bmj.com/content/56/3/313.2.short 4100 - http://gut.bmj.com/content/56/3/313.2.full SO - Gut2007 Mar 01; 56