Anti-Bacterial AgentsAntibiotic ProphylaxisSurgical Wound InfectionCefazolinSepsisGentamicinsBacterial InfectionsInjections, IntravenousTime FactorsColony Count, MicrobialIntestinesProspective StudiesTreatment OutcomeRetrospective StudiesAdministration, OralMicrobial Sensitivity TestsDrug Resistance, BacterialDrug Resistance, MicrobialAntibiotics, AntineoplasticStreptomycesAminoglycosidesDrug Administration ScheduleBacteriaDose-Response Relationship, DrugUnited States Food and Drug AdministrationDrug Administration RoutesDrug Utilizationbeta-LactamsPenicillinsRats, Sprague-DawleyErythromycinEscherichia coliAmpicillinCephalosporinsFermentationTetracyclineAnti-Infective AgentsStaphylococcus aureusMacrolidesDrug Resistance, Multiple, BacterialRats, WistarDisease Models, AnimalAdministration, IntranasalKanamycinBacterial ProteinsVancomycinCiprofloxacinInjections, IntraperitonealGram-Positive BacteriaPseudomonas aeruginosaStreptomycinDrug Therapy, CombinationGram-Negative BacteriaStaphylococcal InfectionsAdministration, TopicalDrug PrescriptionsInjections, SubcutaneousPenicillin GInfusions, IntravenousTobramycinDrug InteractionsLactamsClindamycinMice, Inbred C57BLLiverBiological AvailabilityChemistryHalf-LifeInjections, IntramuscularChemical PhenomenaChloramphenicolNeomycinAdministration, IntravenousAdministration, RectalAzithromycinDNA, BacterialChromatography, High Pressure LiquidPhysician's Practice PatternsArea Under CurvePenicillin ResistanceMolecular StructureAmoxicillinDrug SynergismOxytetracyclineDouble-Blind MethodLincomycinCeftriaxoneAcute DiseaseMice, Inbred BALB CCross InfectionCulture MediaPolymyxinsDogsCephaloridineThienamycinsbeta-LactamasesFecesLeucomycinsMolecular Sequence DataMagnetic Resonance Spectroscopy