title: The action of caffeine on X-irradiated HeLa cells. II. Synergistic lethality.
mesh_terms: D002110:Caffeine / Q000494:pharmacology*; D002470:Cell Survival / Q000187:drug effects / Q000528:radiation effects; D004305:Dose-Response Relationship, Drug; D004307:Dose-Response Relationship, Radiation; D006367:HeLa Cells; D006801:Humans; D011838:Radiation-Sensitizing Agents / Q000494:pharmacology*; D013997:Time Factors; D014965:X-Rays
chemical_list: D011838:Radiation-Sensitizing Agents; D002110:Caffeine