RT Journal Article SR Electronic T1 Painful gastrointestinal haemorrhage: diagnostic value of 16 detector multislice computed tomography JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 1740 OP 1740 DO 10.1136/gut.2005.071654 VO 54 IS 12 A1 S Harish A1 A M Groves A1 A H Freeman YR 2005 UL http://gut.bmj.com/content/54/12/1740.abstract AB