Kim, Alvin Lyle Safety of duodenal ampullectomy for benign periampullary tumors. [electronic resource] - Annals of hepato-biliary-pancreatic surgery Aug 2017 - 146-150 p. digital Publication Type: Journal Article ISSN: 2508-5778 Standard No.: 10.14701/ahbps.2017.21.3.146 doi