Digestive System NeoplasmsDigestive System DiseasesDigestive SystemDigestive System and Oral Physiological PhenomenaDigestive System Physiological PhenomenaDigestive System ProcessesDigestive System FistulaGastrointestinal TractClemastineBile DuctsGastrointestinal NeoplasmsDigestive System AbnormalitiesDiagnostic Techniques, Digestive SystemPancreatic DuctsGastrointestinal DiseasesPancreasIntestinesThoracic DuctLarvaStomachCommon Bile DuctCystic DuctSalivary DuctsTissue DistributionBile Duct DiseasesWolffian DuctsBile Ducts, ExtrahepaticCause of DeathStomach NeoplasmsMullerian DuctsHepatic Duct, CommonNeoplasmsEndoscopy, Digestive SystemLiver NeoplasmsChinaMolecular Sequence DataAsian Continental Ancestry GroupTime FactorsPhylogenyGenetic Predisposition to DiseaseKidney Tubules, CollectingDigestive System Surgical ProceduresRisk FactorsNasolacrimal DuctEjaculatory DuctsPolymorphism, GeneticDigestionNational Institute of Diabetes and Digestive and Kidney Diseases (U.S.)Vitelline Duct