Cooperman, A M Carcinoma of the ampulla of vater: does the operation influence the end result? [electronic resource] - Frontiers of gastrointestinal research 1979 - 178-81 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0302-0665 Subjects--Topical Terms: Ampulla of VaterBile Duct Neoplasms--surgeryDuodenum--surgeryGallbladder--surgeryHumansMethodsPancreatectomyPrognosis