CephalosporinsCeftazidimeAnti-Bacterial AgentsEnterobacter cloacaeMicrobial Sensitivity TestsCephalosporin ResistanceAmikacinPiperacillinPenicillanic Acidbeta-LactamasesThienamycinsEnterobacteriaceae Infectionsbeta-LactamsPseudomonas aeruginosaImipenemGram-Negative BacteriaGram-Negative Bacterial InfectionsKlebsiella pneumoniaebeta-Lactam ResistanceCephalosporinasePseudomonas InfectionsEnterobacter aerogenesEmpiricismCilastatinFeverCeftriaxoneNeurotransmitter Transport ProteinsEnterobacteriaceaeCefotaximeBacterial InfectionsKlebsiella InfectionsNeutropeniaCarbapenemsPneumonia, BacterialDrug IncompatibilityAztreonamDrug Therapy, CombinationPolicySkin Diseases, BacterialBacteremiaDrug Resistance, BacterialHalf-LifeDrug Resistance, Multiple, BacterialDrug Resistance, MicrobialAcinetobacter baumanniiEnterobacterAbdominal AbscessMonobactamsCeftizoximeCross InfectionSkin Diseases, InfectiousFever of Unknown OriginDrug StorageCefoperazoneHemofiltrationInfusions, IntravenousGram-Positive BacteriaIntensive Care UnitsAmino Acid Transport System ASCEscherichia coliBacterial ProteinsHospitalsInfusion PumpsAcinetobacter InfectionsColony Count, MicrobialPorinsClavulanic AcidTobramycinUrinary Tract InfectionsMeningitis, BacterialFluoroquinolonesEscherichia coli InfectionsGentamicinsAnti-Infective AgentsPeritonitisElectrophoresis, Gel, Pulsed-FieldInjections, IntravenousDrug Utilization ReviewKlebsiellaChromatography, High Pressure LiquidVirginiamycinTreatment OutcomeIsoelectric FocusingHematologic NeoplasmsPenicillinsAcinetobacterStaphylococcus aureusSwitzerlandSouth AmericaHallucinationsDrug StabilityVancomycinSpectrophotometry, UltravioletAminoglycosidesTechnetium Tc 99m PentetatePenicillin ResistanceMonte Carlo MethodEnterococcusPneumoniaHospitals, University