title: "Photodynamic therapy in gastrointestinal cancer".
authors.affiliation: Roswell Park Cancer Institute, Buffalo, New York.
authors.forename: T J
authors.initials: TJ
authors.lastname: Dougherty
mesh_terms: D005770:Gastrointestinal Neoplasms / Q000188:drug therapy*; D006415:Hematoporphyrins / Q000008:administration & dosage / Q000627:therapeutic use; D006801:Humans; D053685:Laser Therapy; D010778:Photochemotherapy / Q000379:methods*
chemical_list: D006415:Hematoporphyrins