Abulafi, A M Photodynamic therapy for malignant tumours of the ampulla of Vater. [electronic resource] - Gut Jun 1995 - 853-6 p. digital Publication Type: Clinical Trial; Clinical Trial, Phase I; Journal Article; Research Support, Non-U.S. Gov't ISSN: 0017-5749 Standard No.: 10.1136/gut.36.6.853 doi Subjects--Topical Terms: AgedAmpulla of VaterCommon Bile Duct Neoplasms--drug therapyFemaleHumansMaleMiddle AgedNeoplasm Recurrence, LocalPhotochemotherapy--adverse effectsPhotosensitivity Disorders--etiologyPilot Projects