AbsorptionIntestinal AbsorptionInjectionsInjections, IntravenousInjections, IntramuscularSkin AbsorptionBiological AvailabilityInjections, SubcutaneousInjections, IntralesionalInjections, Intra-ArticularSpectrophotometry, AtomicJejunumInjections, IntraperitonealX-Ray Absorption SpectroscopySpectrophotometryIronTime FactorsInjections, EpiduralInjections, IntradermalIntestine, SmallRats, Sprague-DawleyInjections, IntraventricularSpectrum AnalysisAdministration, OralInjections, Intra-ArterialZincZinc RadioisotopesIntravitreal InjectionsInjections, SpinalPhytic AcidDose-Response Relationship, DrugIron RadioisotopesInjections, JetIntestinesDuodenumInjections, IntraocularZinc IsotopesSpectrophotometry, UltravioletRats, WistarKineticsIleumTissue DistributionFecesRabbitsLiverCaco-2 CellsLymphWaterMalabsorption SyndromesBiological TransportIntestinal MucosaSitosterolsFlow Injection AnalysisRats, Inbred StrainsDisease Models, AnimalHydrogen-Ion ConcentrationDietMicroinjectionsMice, Inbred C57BLSodiumIron, DietaryFerrous CompoundsEnterocytesCalcium, DietaryCopperChromatography, High Pressure LiquidHalf-LifeCross-Over StudiesSubstance Abuse, IntravenousCholesterolAzetidinesCalciumArea Under CurveSperm Injections, IntracytoplasmicSpectrophotometry, InfraredPhytosterolsPerfusionLightBileSyringesLymphatic SystemDogsBile Acids and SaltsSwineChloridesRandom AllocationCattleBicarbonatesNeedlesSolubilityAnesthetics, LocalColonBody WeightFerritinsVitreous BodyGlucoseCarbon RadioisotopesRadioisotopesModels, BiologicalSpectrometry, Fluorescence