title: A new approach to the bile duct via needle puncture of the papillary roof.
authors.affiliation: Gastrointestinal Endoscopy Unit, São Paulo University Medical School, São Paulo, Brazil. eartifon@yahoo.com
authors.forename: E L
authors.initials: EL
authors.lastname: Artifon
authors.forename: F Y
authors.initials: FY
authors.lastname: Hondo
authors.forename: P
authors.initials: P
authors.lastname: Sakai
authors.forename: S
authors.initials: S
authors.lastname: Ishioka
mesh_terms: D014670:Ampulla of Vater / Q000601:surgery*; D002404:Catheterization / Q000379:methods*; D003135:Common Bile Duct / Q000601:surgery*; D006801:Humans; D016602:Needlestick Injuries