title: A comparative study of the action of ethyl methane sulfonate and HNO2 on the mutation to streptomycin resistance of Escherichia coli I 12.
mesh_terms: D000478:Alkylation; D000596:Amino Acids; D003470:Culture Media; D004269:DNA, Bacterial; D004352:Drug Resistance, Microbial / Q000187:drug effects*; D004926:Escherichia coli / Q000187:drug effects*; D006147:Guanine; D008954:Models, Biological; D009153:Mutagens; D009154:Mutation; D009573:Nitrites / Q000494:pharmacology*; D013451:Sulfonic Acids / Q000494:pharmacology*; D013997:Time Factors; D014316:Tritium
chemical_list: D000596:Amino Acids; D003470:Culture Media; D004269:DNA, Bacterial; D009153:Mutagens; D009573:Nitrites; D013451:Sulfonic Acids; D014316:Tritium; D006147:Guanine