AbsorptionIntestinal AbsorptionAntibiotic ProphylaxisMicrobial Sensitivity TestsDrug Resistance, BacterialDrug Resistance, MicrobialStreptomycesSkin AbsorptionBiological AvailabilityAntibiotics, AntineoplasticAminoglycosidesBacteriaSpectrophotometry, AtomicBacterial InfectionsJejunumX-Ray Absorption SpectroscopyGentamicinsSpectrophotometryDrug Utilizationbeta-LactamsFermentationEscherichia coliPenicillinsFecesIronSpectrum AnalysisErythromycinAmpicillinBacterial ProteinsCephalosporinsIntestine, SmallTetracyclineMacrolidesStaphylococcus aureusSpectrophotometry, UltravioletDrug Resistance, Multiple, BacterialIntestinesChemical PhenomenaZincKanamycinTime FactorsGram-Positive BacteriaSpectrophotometry, InfraredCiprofloxacinPseudomonas aeruginosaKineticsZinc RadioisotopesVancomycinMolecular StructureStreptomycinGram-Negative BacteriaPhytic AcidIron RadioisotopesZinc IsotopesIleumStaphylococcal InfectionsPenicillin GLactamsDuodenumHydrogen-Ion ConcentrationDrug PrescriptionsSurgical Wound InfectionChloramphenicolNeomycinClindamycinTobramycinChromatography, High Pressure LiquidPhysicochemical PhenomenaCaco-2 CellsDNA, BacterialMalabsorption SyndromesBiological TransportMolecular Sequence DataChemistry, PhysicalMagnetic Resonance SpectroscopyIntestinal MucosaSitosterolsWaterCulture MediaAmoxicillinCephalexinPenicillin ResistancePhysician's Practice PatternsOxytetracyclineStaphylococcusLincomycinAnthraquinonesCephaloridineLymphDietSkin Window TechniquePolymyxinsFerrous CompoundsDrug Therapy, CombinationCross InfectionLeucomycinsMicromonosporaInjections, IntravenousCeftriaxoneIron, Dietary