title: Malignant tumors of the bile ducts: diagnosis by biopsy during endoscopic cannulation.
authors.affiliation: Department of Gastroenterology, Massachusetts General Hospital, Harvard Medical School, Boston 02114.
authors.forename: A K
authors.initials: AK
authors.lastname: Rustgi
authors.forename: P B
authors.initials: PB
authors.lastname: Kelsey
authors.forename: M
authors.initials: M
authors.lastname: Guelrud
authors.forename: S
authors.initials: S
authors.lastname: Saini
authors.forename: R H
authors.initials: RH
authors.lastname: Schapiro
mesh_terms: D002759:Adenoma, Bile Duct / Q000473:pathology*; D000328:Adult; D000368:Aged; D001650:Bile Duct Neoplasms / Q000473:pathology*; D001706:Biopsy / Q000379:methods*; D002760:Cholangiopancreatography, Endoscopic Retrograde; D003135:Common Bile Duct / Q000473:pathology*; D003138:Common Bile Duct Neoplasms / Q000473:pathology*; D005260:Female; D006500:Hepatic Duct, Common / Q000473:pathology*; D006801:Humans; D008297:Male; D008875:Middle Aged