RT Journal Article SR Electronic T1 Diagnostic biopsy for hepatocellular carcinoma in cirrhosis: useful, necessary, dangerous, or academic sport? JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 1224 OP 1226 DO 10.1136/gut.2004.040816 VO 53 IS 9 A1 J Schölmerich A1 D Schacherer YR 2004 UL http://gut.bmj.com/content/53/9/1224.abstract AB