Clinical practice guidelines for the management of biliary tract and ampullary carcinomas
https://onlinelibrary.wiley.com/doi/10.1002/jhbp.2008.15.issue-1/issuetoc
Clinical practice guidelines for the management of biliary tract and ampullary carcinomas
https://onlinelibrary.wiley.com/doi/10.1002/jhbp.2008.15.issue-1/issuetoc