PT - JOURNAL ARTICLE AU - Maqsood Ahmed Khan AU - Sonu Dhillon TI - Rare cause of chronic abdominal pain AID - 10.1136/gut.2009.185603 DP - 2011 Mar 01 TA - Gut PG - 340--340 VI - 60 IP - 3 4099 - http://gut.bmj.com/content/60/3/340.short 4100 - http://gut.bmj.com/content/60/3/340.full SO - Gut2011 Mar 01; 60