Klebsiella pneumoniaeKlebsiella InfectionsStreptococcus pneumoniaeMycoplasma pneumoniaebeta-LactamasesKlebsiella oxytocaMicrobial Sensitivity TestsAnti-Bacterial AgentsCarbapenemsbeta-Lactam ResistanceEnterobacteriaceaeBacterial ProteinsNitrogenaseLiver AbscessNitrogen FixationDrug Resistance, Multiple, Bacterialbeta-LactamsDNA, BacterialDrug Resistance, BacterialEscherichia coliEnterobacteriaceae InfectionsPlasmidsGenes, BacterialCephalosporinsCross InfectionPneumonia, MycoplasmaEnterobacterGram-Negative BacteriaCeftazidimePneumonia, BacterialPneumococcal InfectionsLiver Abscess, PyogenicBacterial CapsulesMolybdoferredoxinMolecular Sequence DataElectrophoresis, Gel, Pulsed-FieldConjugation, GeneticKlebsiellaChlamydophila InfectionsBacteremiaThienamycinsCefotaximeAnti-Infective AgentsAcetyleneImipenemGram-Negative Bacterial InfectionsCephalosporin ResistanceHospitalsColistinPolymerase Chain ReactionSequence Analysis, DNAPolysaccharides, BacterialDrug Resistance, MicrobialEnterobacter cloacaeMultilocus Sequence TypingPneumonia, PneumococcalMinocyclineEscherichia coli InfectionsCefoxitinEnterobacter aerogenesProteus mirabilisIsoelectric FocusingBase SequenceBacterial InfectionsSerotypingFluoroquinolonesQuinolonesPenicillanic AcidGram-Positive BacteriaBacteriaMolecular TypingCiprofloxacinPenicillin ResistancePiperacillinAntibodies, BacterialPorinsGreeceColony Count, MicrobialPenicillinsPseudomonas aeruginosaGene Expression Regulation, BacterialDisease OutbreaksAmino Acid SequenceAzotobacterBacteriological TechniquesCulture MediaAztreonamOperonMutationMolecular EpidemiologyBacterial Typing TechniquesDisk Diffusion Antimicrobial TestsUrinary Tract InfectionsClavulanic AcidCloning, MolecularDNA FingerprintingO AntigensPropanediol DehydrataseSerratia marcescensCommunity-Acquired Infections