PT - JOURNAL ARTICLE AU - L Crush AU - O J O'Connor AU - W Plant AU - M R Clarkson AU - F Shanahan AU - M M Maher TI - Perplexing plain abdominal x-ray AID - 10.1136/gut.2010.215822 DP - 2011 Feb 01 TA - Gut PG - 218--218 VI - 60 IP - 2 4099 - http://gut.bmj.com/content/60/2/218.short 4100 - http://gut.bmj.com/content/60/2/218.full SO - Gut2011 Feb 01; 60