title: [Biological effect of hematoporphyrin derivative (HpD) and X-ray irradiation on HeLa cells].
mesh_terms: D002478:Cells, Cultured; D006367:HeLa Cells / Q000187:drug effects / Q000528:radiation effects*; D017324:Hematoporphyrin Derivative; D006415:Hematoporphyrins / Q000494:pharmacology*; D006801:Humans; D011838:Radiation-Sensitizing Agents / Q000494:pharmacology*; D014965:X-Rays
chemical_list: D006415:Hematoporphyrins; D011838:Radiation-Sensitizing Agents; D017324:Hematoporphyrin Derivative