title: Quinolone/ureidopenicillin cross-resistance in gram-negative bacteria.
mesh_terms: D004352:Drug Resistance, Microbial; D006090:Gram-Negative Bacteria / Q000187:drug effects* / Q000235:genetics; D006801:Humans; D009154:Mutation; D010403:Penicillin Resistance; D011804:Quinolines / Q000494:pharmacology*
chemical_list: D011804:Quinolines