RT Journal Article SR Electronic T1 Guidelines for the diagnosis and treatment of cholangiocarcinoma: consensus document JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP vi1 OP vi9 DO 10.1136/gut.51.suppl_6.vi1 VO 51 IS suppl 6 A1 S A Khan A1 B R Davidson A1 R Goldin A1 S P Pereira A1 W M C Rosenberg A1 S D Taylor-Robinson A1 A V Thillainayagam A1 H C Thomas A1 M R Thursz A1 H Wasan YR 2002 UL http://gut.bmj.com/content/51/suppl_6/vi1.abstract AB