Standing on the shoulders of giants.
D001661:Biliary Tract Neoplasms / Q000266:history* / Q000601:surgery; D006498:Hepatectomy / Q000266:history*; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D008113:Liver Neoplasms / Q000266:history* / Q000601:surgery; D010180:Pancreatectomy / Q000266:history*; D010190:Pancreatic Neoplasms / Q000266:history* / Q000601:surgery