title: Photodynamic therapy for malignant tumours of the ampulla of Vater.
authors.forename: K
authors.initials: K
authors.lastname: Mergener
authors.forename: M
authors.initials: M
authors.lastname: Branch
mesh_terms: D014670:Ampulla of Vater / Q000473:pathology; D003138:Common Bile Duct Neoplasms / Q000175:diagnosis / Q000188:drug therapy*; D005069:Evaluation Studies as Topic; D006415:Hematoporphyrins / Q000627:therapeutic use; D006801:Humans; D010778:Photochemotherapy / Q000379:methods*; D016896:Treatment Outcome
chemical_list: D006415:Hematoporphyrins