Enterobacter cloacaeCloacaEnterobacterEnterobacteriaceae InfectionsEnterobacteriaceaebeta-LactamasesMicrobial Sensitivity TestsPythiumCephalosporinsAnti-Bacterial AgentsCitrobacter freundiibeta-LactamsCephalosporinaseEnterobacter aerogenesCephalosporin ResistanceCeftazidimeGram-Negative BacteriaDrug Resistance, MicrobialCarbapenemsAnus, ImperforateDNA, BacterialUrogenital AbnormalitiesCucumis sativusUranyl NitratePlasmidsKlebsiella pneumoniaeBacteriaDrug Resistance, BacterialImipenemCefotaximeCeftizoximeHydrocolposBacterial ProteinsGenes, BacterialSerratia marcescensAntibiosisEscherichia coliNitroreductasesBladder ExstrophyQuinolonesbeta-Lactam ResistanceSerratia InfectionsKlebsiellaSequence Analysis, DNAMolecular Sequence DataCross InfectionPenicillanic AcidAlgeriaThienamycins