title: The effects of caffeine, ultraviolet and x-irradiation on DNA breakdown in E. coli B and some of its dark repair mutants.
mesh_terms: D002110:Caffeine / Q000494:pharmacology*; D002247:Carbon Isotopes; D004269:DNA, Bacterial / Q000528:radiation effects*; D004926:Escherichia coli / Q000187:drug effects / Q000528:radiation effects; D007700:Kinetics; D007930:Leucine / Q000378:metabolism; D009154:Mutation; D011831:Radiation Genetics; D011995:Recombination, Genetic; D014466:Ultraviolet Rays; D014783:Viscosity
chemical_list: D002247:Carbon Isotopes; D004269:DNA, Bacterial; D002110:Caffeine; D007930:Leucine