title: The induction of supersuppressor mutants of Bacillus subtilis by ethyl methanesulphonate and the posttreatment modification of mutation yield.
mesh_terms: D000477:Alkylating Agents / Q000494:pharmacology*; D001412:Bacillus subtilis; D003470:Culture Media / Q000494:pharmacology; D009154:Mutation / Q000187:drug effects*; D013451:Sulfonic Acids / Q000494:pharmacology*; D013696:Temperature; D013997:Time Factors
chemical_list: D000477:Alkylating Agents; D003470:Culture Media; D013451:Sulfonic Acids