RT Journal Article SR Electronic T1 Pyogenic liver abscess. JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 389 OP 399 DO 10.1136/gut.10.5.389 VO 10 IS 5 A1 Butler, T J A1 McCarthy, C F YR 1969 UL http://gut.bmj.com/content/10/5/389.abstract AB