MoxalactamCeftazidimeCefotaximeCephamycinsCephalosporinsCefoperazoneMicrobial Sensitivity TestsAnti-Bacterial Agentsbeta-LactamasesHalf-Lifebeta-LactamsAztreonamCephalosporin ResistanceImipenemThienamycinsDrug Resistance, MicrobialPiperacillinArea Under CurveEnterobacteriaceaeCefoxitinCeftriaxoneLactamsTobramycinPseudomonas aeruginosaBacteriaInjections, IntravenousBacterial InfectionsAmikacinMetabolic Clearance RateCefazolinCephalosporinaseMeningitisPenicillinsEnterobacteriaceae InfectionsGram-Negative BacteriaPenicillin ResistanceKlebsiella pneumoniaePharmacokineticsBiological AvailabilityAdministration, Oralbeta-Lactam ResistanceCefmenoximeCeftizoximeDrug InteractionsPenicillanic AcidKineticsCefamandoleMonobactamsChromatography, High Pressure LiquidGentamicinsInfusions, IntravenousAmpicillinTicarcillinCiprofloxacinPseudomonas InfectionsClavulanic AcidsCefuroximeIsoelectric FocusingInjections, IntramuscularClavulanic AcidKlebsiella InfectionsMezlocillinAzlocillinDrug StabilityCephalothinSerum Bactericidal TestDrug Therapy, CombinationEscherichia coliPenicillin-Binding ProteinsInfusions, ParenteralCefotetanDrug Resistance, BacterialBacteroides fragilisAnti-Infective AgentsAminoglycosidesEnterobacter cloacaeDose-Response Relationship, DrugEnterobacterAzabicyclo CompoundsCilastatinGram-Negative Bacterial InfectionsSulbactamMelioidosisTissue DistributionCross-Over StudiesMuramoylpentapeptide CarboxypeptidaseDrug SynergismStreptococcus pneumoniaeDrug Resistance, Multiple, BacterialHexosyltransferasesCarbenicillinSerratia marcescensDrug Administration SchedulePuerperal InfectionKlebsiellaPeptidyl TransferasesHydrolysisCarbapenemsBlisterPenicillin G