beta-LactamasesCephaloridineCarbapenemsMicrobial Sensitivity TestsAnti-Bacterial AgentsAcinetobacter baumanniiKlebsiella pneumoniaebeta-Lactam ResistanceEnterobacteriaceaeKlebsiella InfectionsEnterobacteriaceae InfectionsImipenembeta-LactamsAcinetobacter InfectionsBacterial ProteinsThienamycinsDrug Resistance, Multiple, BacterialKlebsiella oxytocaEnterobacter cloacaeAcinetobacterDrug Resistance, BacterialMultilocus Sequence TypingElectrophoresis, Gel, Pulsed-FieldCitrobacter freundiiDisk Diffusion Antimicrobial TestsMolecular TypingInterleukin-1betaPlasmidsPenicillanic AcidPolymerase Chain ReactionMultiplex Polymerase Chain ReactionDNA, BacterialGreeceGram-Negative BacteriaHospitalsMolecular Epidemiologybeta 2-MicroglobulinClavulanic AcidDNA FingerprintingSequence Analysis, DNABacteriological TechniquesCross InfectionIntegronsMolecular Sequence DataCeftazidimeAcinetobacter calcoaceticusEscherichia coliReceptors, Adrenergic, betaIntegrin beta3Disease OutbreaksGram-Negative Bacterial InfectionsGene Transfer, HorizontalBacterial Typing TechniquesMinocyclinePseudomonas aeruginosaHospitals, UniversityGenes, BacterialSensitivity and SpecificityDNA Transposable ElementsGenotypeIsoelectric FocusingHydrolysisTransforming Growth Factor beta