MicellesBile Acids and SaltsLithocholic AcidBileDeoxycholic AcidTaurodeoxycholic AcidCholic AcidsUrsodeoxycholic AcidFecesChenodeoxycholic AcidCholic AcidBile DuctsSterolsColonic NeoplasmsCholesterolColonCommon Bile DuctColloidsPolyethylene GlycolsBile CanaliculiBile PigmentsSurface-Active AgentsDrug CarriersTaurocholic AcidOctanesDetergentsBile Duct Diseases