Enterohepatic CirculationBile Acids and SaltsBileCholic AcidsChenodeoxycholic AcidCholic AcidCholestyramine ResinTaurocholic AcidDigitoxinGallbladderCholesterol 7-alpha-HydroxylaseOrganic Anion Transporters, Sodium-DependentBiliary FistulaIntestinal AbsorptionIleumLiverCholecystectomyDeoxycholic AcidCholesterolGlucuronidesBile DuctsIntestinesFecesCholelithiasisLiver CirculationHelicobacterSymportersAdministration, OralChromatography, Thin LayerDuodenumInjections, IntravenousBiotransformationIntestine, SmallTritiumMetabolic Clearance RateHelicobacter hepaticusPhospholipidsChromatography, High Pressure LiquidCarbon IsotopesCarbon RadioisotopesBlood CirculationReceptors, Cytoplasmic and NuclearBiological TransportKineticsModels, BiologicalRats, Inbred Strains