D'Alessio, Matthew L Transduodenal excision of ampullary polyp with biliopancreatic sphincteroplasty. [electronic resource] - Annals of surgical oncology Sep 2007 - 2615 p. digital Publication Type: Journal Article ISSN: 1068-9265 Standard No.: 10.1245/s10434-006-9342-z doi Subjects--Topical Terms: Ampulla of Vater--surgeryBiliary Tract Diseases--surgeryBiliary Tract Surgical Procedures--methodsDuodenum--surgeryHumansPolyps--surgerySuture Techniques