title: Mechanism of derivation of radioresistance in HeLa cell population after repeated x-irradiation.
mesh_terms: D005819:Genetic Markers; D006367:HeLa Cells / Q000502:physiology / Q000528:radiation effects*; D006801:Humans; D066298:In Vitro Techniques; D011836:Radiation Tolerance
chemical_list: D005819:Genetic Markers