beta-LactamasesEnterobacteriaceae Infectionsbeta-Lactam ResistanceEnterobacteriaceaeKlebsiella pneumoniaebeta-LactamsMicrobial Sensitivity TestsKlebsiella InfectionsAnti-Bacterial AgentsCeftazidimeCephalosporinsEscherichia coli InfectionsEscherichia coliClavulanic AcidBacterial ProteinsEnterobacter cloacaeKlebsiellaCefoxitinCephalosporin ResistanceCitrobacterDrug Resistance, Multiple, BacterialDrug Resistance, BacterialEnterobacterCitrobacter freundiiSerratia InfectionsKlebsiella oxytocaPlasmidsProteus mirabilisElectrophoresis, Gel, Pulsed-FieldDisk Diffusion Antimicrobial TestsCarbapenemsCefotaximeGram-Negative BacteriaPenicillanic AcidMonobactamsDNA, BacterialMorganella morganiiCross InfectionConjugation, GeneticIsoelectric FocusingImipenemPolymerase Chain ReactionEnterobacter aerogenesGram-Negative Bacterial InfectionsGenes, BacterialMolecular TypingHospitalsThienamycinsAzabicyclo CompoundsPseudomonas aeruginosaDNA FingerprintingSequence Analysis, DNASerratiaPiperacillinAztreonamMolecular EpidemiologyBacteremiaProteus InfectionsSerratia marcescensMultilocus Sequence TypingUrinary Tract InfectionsKuwaitN-Acetylmuramoyl-L-alanine AmidaseHospitals, UniversityCephamycinsBacterial Typing TechniquesAlgeriaMolecular Sequence DataChromogenic CompoundsPhenotypeCommunity-Acquired InfectionsGene Transfer, HorizontalChromosomes, BacterialIntegronsQuinolonesEscherichia coli ProteinsAcinetobacterGenotypeIndiaBoronic AcidsCluster AnalysisCharadriiformesSpainCloxacillinAmpicillinMultiplex Polymerase Chain ReactionBacteriological TechniquesPseudomonas InfectionsRandom Amplified Polymorphic DNA TechniqueGene Expression Regulation, BacterialPrevalenceCeftriaxoneCloacaSensitivity and SpecificityHafnia alveiFecesIntraabdominal InfectionsBase SequenceOchrobactrum anthropiSalmonella Infections