RT Journal Article SR Electronic T1 Needle-track seeding following biopsy of liver lesions in the diagnosis of hepatocellular cancer: a systematic review and meta-analysis JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 887 OP 888 VO 58 IS 6 A1 A L Young A1 J P A Lodge YR 2009 UL http://gut.bmj.com/content/58/6/887.3.abstract AB