Penicillanic AcidPiperacillinCephalosporinsHuman ExperimentationAnti-Bacterial AgentsMicrobial Sensitivity TestsThighPseudomonas Infectionsbeta-LactamasesEnterobacteriaceaePseudomonas aeruginosaClavulanic AcidSulbactamClavulanic Acidsbeta-LactamsPenicillinsEnterobacter cloacaeDrug Resistance, BacterialGram-Negative BacteriaDrug Resistance, Multiple, BacterialCeftazidimeDNA, BacterialKlebsiella pneumoniaebeta-Lactam ResistanceMolecular Sequence DataBacterial Typing TechniquesDrug Therapy, CombinationSequence Analysis, DNAKlebsiella InfectionsPhylogenyTicarcillinDrug Resistance, MicrobialCarbapenemsCross InfectionGram-Negative Bacterial InfectionsBacterial InfectionsElectrophoresis, Gel, Pulsed-FieldEscherichia coli InfectionsCephalosporinaseEscherichia coliBacteriaCitrobacter freundiiImipenemBacterial ProteinsPolymerase Chain ReactionLuxembourgDNA FingerprintingAnti-Infective AgentsSerotypingEnzyme InhibitorsThienamycinsEnterobacteriaceae InfectionsKlebsiellaGenotypeMannansAcinetobacter baumanniiCiprofloxacinBacteroides fragilisMolecular EpidemiologyCephalosporin ResistanceChemotherapy-Induced Febrile NeutropeniaRNA, Ribosomal, 16SGram-Positive BacteriaGenetic VariationBacteria, AnaerobicCefoxitinPlasmidsPolymorphism, Restriction Fragment LengthIsoelectric FocusingBacteremiaMonobactamsLactamsAbdominal AbscessBlisterCluster AnalysisBase SequenceCeftriaxoneVirulenceDrug CombinationsRandom Amplified Polymorphic DNA TechniqueMultilocus Sequence TypingMolecular TypingGenes, BacterialColony Count, MicrobialAmino Acid SequencePremedicationSpecies SpecificityFalse Positive ReactionsGentamicinsStaphylococcus aureusAcinetobacterWound InfectionStaphylococcal InfectionsRectumTobramycinPhenotypePenicillinaseLegionellaAspergillosisEnvironmental Microbiology