title: Photodynamic therapy of tumours.
mesh_terms: D006415:Hematoporphyrins / Q000627:therapeutic use; D006801:Humans; D009369:Neoplasms / Q000628:therapy*; D010787:Photosensitivity Disorders; D010789:Phototherapy; D011166:Porphyrins / Q000627:therapeutic use
chemical_list: D006415:Hematoporphyrins; D011166:Porphyrins