FluoroquinolonesAnti-Infective AgentsAnti-Bacterial AgentsDrug Resistance, BacterialCiprofloxacinMicrobial Sensitivity TestsDNA GyraseDrug UtilizationOfloxacinQuinolonesDNA Topoisomerase IVAza CompoundsLevofloxacinNorfloxacinDrug Resistance, MicrobialEscherichia coliDrug Resistance, Multiple, BacterialStaphylococcus aureusNaphthyridinesEscherichia coli InfectionsQuinolinesPseudomonas aeruginosaPefloxacinHospitalsPseudomonas InfectionsDrug DiscoveryBacteriaStaphylococcal InfectionsEnoxacinBacterial Infections4-QuinolonesAnimal DiseasesDNA Topoisomerases, Type IICross InfectionDental Pulp NecrosisBacterial ProteinsStreptococcus pneumoniaeGram-Positive BacteriaGram-Negative BacteriaNalidixic AcidMethicillin ResistanceKanamycinPenicillinsAmpicillinDrugs, InvestigationalTrimethoprimMinocyclineDermatitis, PhototoxicTopoisomerase II InhibitorsUnited StatesAmidohydrolasesDrug DesignMutationDNA, BacterialFleroxacinMacrolidesGram-Negative Bacterial InfectionsMolecular StructureCulture MediaFisheriesMethenyltetrahydrofolate CyclohydrolaseAntitubercular Agentsbeta-LactamsMolecular Sequence DataPneumococcal InfectionsDrug Evaluation, PreclinicalCephalosporinsMycoplasma hominisUrinary Tract InfectionsMycobacterium tuberculosisAminoglycosidesDNA TopoisomerasesAnimal FeedCrystallography, X-RayCommunity-Acquired InfectionsDrug Resistance, MultipleKlebsiella pneumoniaeEye Infections, BacterialColony Count, MicrobialClostridium difficileBacteria, AnaerobicTyphoid FeverEnterobacteriaceaeSalmonella typhiNeisseria gonorrhoeaeDisk Diffusion Antimicrobial TestsModels, MolecularAnti-Infective Agents, UrinaryDioxolanesbeta-LactamasesMycobacterium fortuitumSalmonella entericaLactamsGram-Positive CocciErythromycinNorwayTuberculosis, Multidrug-ResistantArea Under CurveGram-Positive Bacterial InfectionsEnzyme Inhibitors