title: A METHOD FOR STUDYING THE MATERIAL OF THE BILE DUCTS.
mesh_terms: D001646:Bile; D001650:Bile Duct Neoplasms; D001652:Bile Ducts; D002758:Cholangiography; D003581:Cytodiagnosis; D006801:Humans; D009369:Neoplasms / Q000175:diagnosis*
keywords: BILE; BILE DUCT NEOPLASMS; BILE DUCTS; CHOLANGIOGRAPHY; CYTODIAGNOSIS; NEOPLASM DIAGNOSIS