Cholangitis, SclerosingCholangitisCholagogues and CholereticsLiver Cirrhosis, BiliaryUrsodeoxycholic AcidBile Ducts, IntrahepaticBile DuctsBile Duct NeoplasmsSubacute Sclerosing PanencephalitisCholangiocarcinomaSclerosisCholangiopancreatography, Endoscopic RetrogradeHepatitis, AutoimmuneColitis, UlcerativeCholangiographyLiver TransplantationAdenoma, Bile DuctCholestasisCholangiopancreatography, Magnetic ResonanceHLA-B8 AntigenHLA-DR Serological SubtypesBile Duct DiseasesInflammatory Bowel DiseasesPulmonary Sclerosing HemangiomaAutoimmune DiseasesBiliary Tract DiseasesLiver DiseasesBiliary TractCholedochostomyPancreatitisLiverEndoscopy, Digestive SystemAutoantibodiesGallbladderBile Ducts, ExtrahepaticLiver Function TestsCholecystitisConstriction, PathologicCrohn DiseaseRecurrenceImmunoglobulin GBileSclerosing SolutionsBiliary Tract NeoplasmsSteroidsBilirubinHepatitis, ChronicAntibodies, Antineutrophil CytoplasmicJejunostomyColectomyBiopsyPostoperative ComplicationsImmunosuppressive AgentsRetrospective StudiesRetroperitoneal FibrosisRisk FactorsLiver FailureTreatment OutcomeAlkaline PhosphataseTokyoSSPE VirusBlood Group AntigensHLA-DR AntigensLactoferrinFollow-Up StudiesJaundiceImmunoenzyme TechniquesMeasles virusBiliary Tract Surgical ProceduresGraft SurvivalDilatationTime FactorsGraft Rejection