RT Journal Article SR Electronic T1 Problems in Liver Diseases JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 1036 OP 1036 DO 10.1136/gut.20.11.1036 VO 20 IS 11 A1 J. M. Braganza YR 1979 UL http://gut.bmj.com/content/20/11/1036.1.abstract AB