title: [Obscure biliary stenoses--differentiation through imaging, cytology or histology?].
authors.affiliation: Abteilung Gastroenterologie, Hepatologie und Endokrinologie, Medizinische Hochschule Hannover. meier.peter@mh-hannover.de
authors.forename: P N
authors.initials: PN
authors.lastname: Meier
mesh_terms: D001652:Bile Ducts / Q000473:pathology*; D002760:Cholangiopancreatography, Endoscopic Retrograde; D002779:Cholestasis / Q000175:diagnosis* / Q000473:pathology; D003251:Constriction, Pathologic / Q000175:diagnosis; D003937:Diagnosis, Differential; D006801:Humans