title: A high incidence of cholangiocarcinoma in patients with biliary obstructive (malignant) disease in Thailand.
mesh_terms: D002759:Adenoma, Bile Duct / Q000175:diagnosis / Q000453:epidemiology*; D001650:Bile Duct Neoplasms / Q000175:diagnosis / Q000453:epidemiology*; D002779:Cholestasis / Q000209:etiology*; D006801:Humans; D013785:Thailand