title: Mutational and dark-repair specificities in U.V.-irradiated di-auxotrophs of E. coli B/r.
mesh_terms: D002110:Caffeine / Q000494:pharmacology; D004794:Enzyme Repression; D004926:Escherichia coli / Q000528:radiation effects*; D009154:Mutation / Q000528:radiation effects*; D011831:Radiation Genetics; D014466:Ultraviolet Rays
chemical_list: D002110:Caffeine