RT Journal Article SR Electronic T1 Massive rectal bleeding in a patient with a history of hepatocellular carcinoma JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 1412 OP 1412 DO 10.1136/gut.2008.152520 VO 57 IS 10 A1 Y Y Hwang A1 P Chan A1 I C Law A1 A T Khin A1 T Yau YR 2008 UL http://gut.bmj.com/content/57/10/1412.abstract AB