title: Chemical mutagenesis in E. coli B-R; the influence of repair systems for UV damage.
mesh_terms: D000596:Amino Acids / Q000494:pharmacology; D002110:Caffeine / Q000494:pharmacology*; D004269:DNA, Bacterial; D003624:Darkness; D004926:Escherichia coli; D004988:Ethers, Cyclic / Q000494:pharmacology*; D009154:Mutation / Q000187:drug effects / Q000528:radiation effects; D009603:Nitroso Compounds / Q000494:pharmacology*; D011831:Radiation Genetics; D014466:Ultraviolet Rays
chemical_list: D000596:Amino Acids; D004269:DNA, Bacterial; D004988:Ethers, Cyclic; D009603:Nitroso Compounds; D002110:Caffeine