title: Intraductal biliary and pancreatic endoscopy. Preface.
authors.affiliation: Department of Medicine, Columbia University Medical Center, New York, NY, USA. pds5@columbia.edu
authors.forename: Peter D
authors.initials: PD
authors.lastname: Stevens
mesh_terms: D002760:Cholangiopancreatography, Endoscopic Retrograde / Q000295:instrumentation; D006801:Humans