beta-LactamasesLactamsbeta-LactamsCyclacillinAnti-Bacterial AgentsCephaloridineMicrobial Sensitivity TestsSuperinfectionEnterobacteriaceae InfectionsAminoglycosidesKlebsiella pneumoniaebeta-Lactam ResistancePenicillin ResistanceEnterobacteriaceaeKlebsiella InfectionsDrug Resistance, Multiple, BacterialDrug Resistance, BacterialCephalosporin ResistanceCephalosporinsMacauSerratia InfectionsGram-Negative BacteriaInterleukin-1betaEscherichia coli InfectionsDrug ResistanceCeftazidimeGram-Negative Bacterial InfectionsEscherichia coliCefotaximeCross InfectionCyclizationDrug Resistance, MicrobialEnterobacter cloacaebeta 2-MicroglobulinRandomized Controlled Trials as TopicIndiaDrug Resistance, Neoplasmalpha-MSHBacterial ProteinsBacteremiaHeterocyclic Compounds, 1-RingHospitalsReceptors, Adrenergic, betaIntegrin beta3Drug Resistance, MultipleElectrophoresis, Gel, Pulsed-Field