title: The U.V.-x-ray synergism in Escherichia coli B-r. I. Inhibition by the incorporation of 5-bromouracil and by purine starvation.
mesh_terms: D001976:Bromouracil / Q000494:pharmacology*; D002470:Cell Survival / Q000187:drug effects / Q000528:radiation effects; D004307:Dose-Response Relationship, Radiation; D004926:Escherichia coli / Q000187:drug effects / Q000528:radiation effects*; D009154:Mutation; D011687:Purines / Q000378:metabolism* / Q000494:pharmacology; D011830:Radiation Effects; D014466:Ultraviolet Rays
chemical_list: D011687:Purines; D001976:Bromouracil