title: The influence of analogs of xanthine on the mutagenic effect of ultraviolet light.
mesh_terms: D002110:Caffeine / Q000494:pharmacology*; D004357:Drug Synergism; D004926:Escherichia coli; D009154:Mutation / Q000187:drug effects* / Q000528:radiation effects; D011687:Purines / Q000494:pharmacology; D013806:Theophylline / Q000494:pharmacology*; D014466:Ultraviolet Rays; D014527:Uric Acid / Q000494:pharmacology*; D014970:Xanthines / Q000494:pharmacology*
chemical_list: D011687:Purines; D014970:Xanthines; D014527:Uric Acid; D002110:Caffeine; D013806:Theophylline