title: Mutants of Klebsiella pneumoniae resistant to several antibiotics.
mesh_terms: D000818:Animals; D002645:Chickens / Q000382:microbiology; D002701:Chloramphenicol / Q000494:pharmacology*; D004352:Drug Resistance, Microbial; D007711:Klebsiella pneumoniae / Q000187:drug effects*; D009154:Mutation; D009268:Nalidixic Acid / Q000494:pharmacology*; D014295:Trimethoprim / Q000494:pharmacology*
chemical_list: D009268:Nalidixic Acid; D002701:Chloramphenicol; D014295:Trimethoprim