title: [Electron microscopic observations on the killing effect of hematoporphyrin derivative-laser to S180 tumor cells].
mesh_terms: D000818:Animals; D017324:Hematoporphyrin Derivative; D006415:Hematoporphyrins / Q000627:therapeutic use*; D053685:Laser Therapy; D051379:Mice; D008854:Microscopy, Electron; D010778:Photochemotherapy; D011838:Radiation-Sensitizing Agents / Q000627:therapeutic use*; D012510:Sarcoma 180 / Q000188:drug therapy / Q000648:ultrastructure*
chemical_list: D006415:Hematoporphyrins; D011838:Radiation-Sensitizing Agents; D017324:Hematoporphyrin Derivative