title: Mutational specificity in bacteria.
mesh_terms: D000970:Antineoplastic Agents / Q000494:pharmacology; D001419:Bacteria / Q000235:genetics*; D009153:Mutagens / Q000494:pharmacology; D009154:Mutation; D014466:Ultraviolet Rays
chemical_list: D000970:Antineoplastic Agents; D009153:Mutagens