title: Repair of x-ray-induced DNA damage in aging human diploid cells.
mesh_terms: D002455:Cell Division; D002470:Cell Survival; D002478:Cells, Cultured; D004247:DNA / Q000528:radiation effects; D004260:DNA Repair; D006367:HeLa Cells; D006801:Humans; D007700:Kinetics; D013050:Spectrometry, Fluorescence; D014965:X-Rays
chemical_list: D004247:DNA