Anti-Bacterial AgentsAntibiotic ProphylaxisMicrobial Sensitivity TestsDrug Resistance, BacterialDrug Resistance, MicrobialStreptomycesAntibiotics, AntineoplasticAminoglycosidesBacterial InfectionsBacteriaGentamicinsDrug Utilizationbeta-LactamsPenicillinsFermentationErythromycinEscherichia coliAmpicillinTetracyclineCephalosporinsStaphylococcus aureusMacrolidesLethal Dose 50Drug Resistance, Multiple, BacterialAnti-Infective AgentsBacterial ProteinsTime FactorsKanamycinGram-Positive BacteriaPseudomonas aeruginosaAdministration, OralTreatment OutcomeStreptomycinVancomycinGram-Negative BacteriaCiprofloxacinCefazolinStaphylococcal InfectionsDrug Administration ScheduleDrug PrescriptionsSurgical Wound InfectionDrug Therapy, CombinationPenicillin GTobramycinLactamsChemistryChloramphenicolClindamycinChemical PhenomenaDNA, BacterialNeomycinRadiation DosagePhysician's Practice PatternsPenicillin ResistanceAmoxicillinLincomycinCulture MediaAzithromycinPolymyxinsCeftriaxonebeta-LactamasesOxytetracyclineCephaloridineLeucomycinsCross InfectionMolecular StructureStaphylococcusThienamycinsAnthraquinonesMicromonosporaCefotaximeBacteremiaBiofilmsInjections, IntravenousPseudomonas InfectionsColony Count, MicrobialCefuroximeGram-Negative Bacterial InfectionsUrinary Tract InfectionsAntifungal AgentsMagnetic Resonance SpectroscopyRifampinMolecular Sequence DataProspective StudiesEnterobacteriaceaeRetrospective StudiesGenes, BacterialAmikacinFluoroquinolonesTetracyclinesDouble-Blind MethodMetronidazolePhysicochemical PhenomenaCloxacillinStreptococcus pneumoniaeCephalothinChemistry, PhysicalRadiometryGram-Positive Bacterial InfectionsPenicillin V