CefotaximeImipenemThienamycinsCilastatinMicrobial Sensitivity TestsAnti-Bacterial AgentsCephalosporinsbeta-LactamasesMoxalactamCeftazidimeCarbapenemsCephalosporin ResistanceCefoperazoneCephamycinsDrug Resistance, MicrobialEnterobacteriaceaeCeftriaxonePseudomonas aeruginosaLactamsPiperacillinEnterobacteriaceae InfectionsCeftizoximePenicillinsKlebsiella pneumoniaeAztreonamGram-Negative BacteriaDrug Resistance, BacterialCephalosporinasebeta-LactamsCefoxitinAmikacinAcinetobacter baumanniiPenicillin-Binding ProteinsSulbactamDrug Resistance, Multiple, BacterialAcinetobacter InfectionsPenicillin ResistanceStreptococcus pneumoniaeBacteroides fragilisAcinetobacterKlebsiella InfectionsCiprofloxacinPenicillanic AcidBacteriaMuramoylpentapeptide CarboxypeptidaseEnterobacterCefotiamGram-Negative Bacterial InfectionsHexosyltransferasesPeptidyl TransferasesClavulanic AcidBacterial InfectionsBacteria, AnaerobicAnti-Infective AgentsAmpicillinbeta-Lactam ResistanceCefmenoximeCyclopropanesGram-Positive BacteriaEscherichia coliClavulanic AcidsTobramycinEnterobacter cloacaeDipeptidasesIsoelectric FocusingCross InfectionBacterial ProteinsPseudomonas InfectionsDrug Therapy, CombinationVancomycinMinocyclineAmpicillin ResistanceCefuroximePenicillin GGentamicinsDrug SynergismElectrophoresis, Gel, Pulsed-FieldKlebsiellaFluoroquinolonesBacteremiaConjugation, GeneticMeningitisDNA, BacterialPlasmidsEscherichia coli InfectionsAzlocillinColony Count, MicrobialAmoxicillin-Potassium Clavulanate CombinationGram-Positive Bacterial InfectionsHydrolysisStaphylococcus aureusSerratia marcescensCefmetazoleNocardia InfectionsDrug StabilityPorinsMonobactamsAminoglycosidesEmpiricismSerum Bactericidal Test