Klebsiella pneumoniaeKlebsiella InfectionsKlebsiella oxytocabeta-LactamasesEnterobacteriaceaeEnterobacterMicrobial Sensitivity TestsCarbapenemsbeta-Lactam ResistanceEscherichia coliNitrogenaseBacterial ProteinsLiver AbscessNitrogen FixationEnterobacter aerogenesEnterobacteriaceae Infectionsbeta-LactamsGram-Negative BacteriaDrug Resistance, Multiple, BacterialCross InfectionPlasmidsCephalosporinsDNA, BacterialGenes, BacterialDrug Resistance, BacterialCeftazidimeLiver Abscess, PyogenicMolecular Sequence DataConjugation, GeneticHistidine Ammonia-LyasePneumonia, BacterialProteusMolybdoferredoxinGram-Negative Bacterial InfectionsBacteremiaThienamycinsElectrophoresis, Gel, Pulsed-FieldRhinoscleromaProteus mirabilisSerratiaPolysaccharides, BacterialAcetyleneBacterial CapsulesImipenemColistinRibitolEscherichia coli InfectionsHospitalsSequence Analysis, DNACefoxitinCefotaximeCephalosporin ResistanceBacterial InfectionsEnterobacter cloacaeSpondylitis, AnkylosingPiperacillinBase SequenceBacteriological TechniquesO AntigensPenicillanic AcidUreaseIsoelectric FocusingButylene GlycolsAmpicillinCulture MediaGram-Positive BacteriaPseudomonas aeruginosaAnti-Infective AgentsMinocyclineUrinary Tract InfectionsPolymerase Chain ReactionOperonCalymmatobacteriumMultilocus Sequence TypingAmino Acid SequenceAztreonamMutationSugar AlcoholsPorinsCitrobacter freundiiSerratia marcescensSerotypingGlutamate-Ammonia LigasePropanediol DehydrataseCloning, MolecularMolecular TypingCephalothinDisease OutbreaksUrology Department, HospitalCarbenicillinGene Expression Regulation, BacterialClavulanic AcidDisk Diffusion Antimicrobial TestsColony Count, MicrobialCiprofloxacinMonobactamsAzotobacterHLA-B27 AntigenGreeceAminoglycosides