title: Fractionated ultraviolet light irradiation of cultured Chinese hamster cells.
mesh_terms: D000818:Animals; D002110:Caffeine / Q000494:pharmacology; D002470:Cell Survival / Q000187:drug effects / Q000528:radiation effects; D002478:Cells, Cultured / Q000187:drug effects / Q000528:radiation effects*; D006224:Cricetinae; D004307:Dose-Response Relationship, Radiation; D011830:Radiation Effects; D014466:Ultraviolet Rays
chemical_list: D002110:Caffeine