Enterohepatic CirculationBile Acids and SaltsBileCholic AcidsChenodeoxycholic AcidCholic AcidCholestyramine ResinTaurocholic AcidDigitoxinGallbladderCholesterol 7-alpha-HydroxylaseOrganic Anion Transporters, Sodium-DependentIntestinal AbsorptionBiliary FistulaIleumLiverCholecystectomyCholesterolDeoxycholic AcidGlucuronidesBile DuctsIntestinesFecesCholelithiasisLiver CirculationSymportersHelicobacterAdministration, OralChromatography, Thin LayerDuodenumInjections, IntravenousBiotransformationIntestine, SmallTritiumMetabolic Clearance RatePhospholipidsChromatography, High Pressure LiquidHelicobacter hepaticusCarbon RadioisotopesCarbon IsotopesBlood CirculationBiological TransportReceptors, Cytoplasmic and NuclearKineticsModels, BiologicalRats, Inbred StrainsTime Factors