Bile Acids and SaltsBileGastric AcidFamotidineOmeprazoleProton Pump InhibitorsAnti-Ulcer AgentsGastric Acidity DeterminationAntacidsGastrins2-PyridinylmethylsulfinylbenzimidazolesHistamine H2 AntagonistsBile DuctsChenodeoxycholic AcidLansoprazoleCholic AcidsCholic AcidTaurocholic AcidLithocholic AcidDeoxycholic AcidGastric MucosaTretinoinBenzimidazolesUrsodeoxycholic AcidCholesterol 7-alpha-HydroxylaseOrganic Anion Transporters, Sodium-DependentHydrogen-Ion ConcentrationGlycocholic AcidBile CanaliculiEnterohepatic CirculationTaurochenodeoxycholic AcidCommon Bile DuctTaurodeoxycholic AcidLiverGallbladderCholestasisCholestyramine ResinCholesterolKineticsHydroxysteroid DehydrogenasesCholagogues and CholereticsFecesBile Duct DiseasesCholelithiasisBile RefluxBile Ducts, IntrahepaticBile PigmentsCholestanetriol 26-MonooxygenaseTaurineSymportersBile Duct NeoplasmsIleumSteroid HydroxylasesSteroid 12-alpha-HydroxylaseGlycochenodeoxycholic AcidReceptors, Cytoplasmic and NuclearBile Ducts, ExtrahepaticTaurolithocholic AcidCholestanolsCholestasis, IntrahepaticChromatography, GasBiliary TractCholestanesIntestinal AbsorptionSterolsCholanesBiliary FistulaGas Chromatography-Mass SpectrometryCholestanolCholestenonesCholecystectomyEubacteriumCholesterol, DietaryBilirubinMalabsorption SyndromesHepatocytesGlycodeoxycholic AcidGallstonesSelenium RadioisotopesIntestinesCholatesDuodenumXanthomatosisAllylamineCholenesCommon Bile Duct DiseasesBiological Transport3-Hydroxysteroid DehydrogenasesHydroxylationSitosterolsBiliary Tract Diseases3-alpha-Hydroxysteroid Dehydrogenase (B-Specific)Cholestasis, ExtrahepaticSulfuric AcidsDehydrocholic AcidPhospholipidsChromatography, High Pressure LiquidLipid MetabolismHydroxymethylglutaryl CoA ReductasesIntestinal Secretions