Media type: E-Article Title: Endoscopic tissue diagnosis of cholangiocarcinoma Contributor: Harewood, Gavin C imprint: Ovid Technologies (Wolters Kluwer Health), 2008 Published in: Current Opinion in Gastroenterology Language: English DOI: 10.1097/mog.0b013e32830bf7e1 ISSN: 0267-1379 Origination: Footnote: