Intestinal AbsorptionAbsorptionJejunumCaco-2 CellsBiological AvailabilityStrontium IsotopesIntestine, SmallIntestinesIleumMalabsorption SyndromesDuodenumCalcium IsotopesBiological TransportLymphAdministration, OralIntestinal MucosaAdjuvants, PharmaceuticSitosterolsFecesXyloseSerous MembraneAzetidinesBileP-GlycoproteinCephalexinTerfenadineBile Acids and SaltsRats, WistarPerfusionSelenious AcidHartnup DiseaseSymportersEnterocytesLymphatic SystemTrioleinEnterohepatic CirculationDipeptidesDietgamma-Glutamyl HydrolaseMicrovilliRats, Sprague-DawleySkin AbsorptionShort Bowel SyndromeBiological Transport, ActiveFlavanonesCholesterolPhytosterolsPermeabilityChromatography, High Pressure LiquidZincIronSelenic AcidWaterLiverEmulsionsCholecalciferolArbutinChylomicronsDihydroxycholecalciferolsProdrugsDose-Response Relationship, DrugOxalic AcidArea Under CurvePteroylpolyglutamic AcidsSodiumHydroxycholecalciferolsCalcium, DietaryGlucuronidesParenteral Nutrition, HomeInjections, IntravenousKineticsSpectrophotometry, AtomicIntestinal SecretionsPhosphorusTime FactorsDrug InteractionsX-Ray Absorption SpectroscopyDietary FatsHydrogen-Ion ConcentrationCalcium RadioisotopesCefiximeProton-Coupled Folate TransporterDiarylheptanoidsCholesterol, DietaryFolic AcidForsythiaAnticholesteremic AgentsFatsPharmacokineticsMagnesium OxideSodium-Glucose Transporter 1Taurocholic AcidColonMembrane Transport ProteinsFatty AcidsRats, Inbred StrainsMicellesCalciumDietary ProteinsPostgastrectomy Syndromes