title: Reversion studies with exrB in Escherichia coli.
mesh_terms: D004926:Escherichia coli / Q000502:physiology / Q000528:radiation effects*; D008741:Methyl Methanesulfonate / Q000494:pharmacology; D009153:Mutagens; D009154:Mutation; D011831:Radiation Genetics; D014466:Ultraviolet Rays
chemical_list: D009153:Mutagens; D008741:Methyl Methanesulfonate