title: Double papillary orifice: anatomic variant or choledochoduodenal fistula?
authors.affiliation: Gastroenterology Department, Virgen Macarena University Hospital, Seville, Spain.
authors.forename: J M
authors.initials: JM
authors.lastname: Martín-Guerrero
authors.forename: F J
authors.initials: FJ
authors.lastname: Fernández-Pérez
authors.forename: M C
authors.initials: MC
authors.lastname: Utrilla-Ayala
authors.forename: P
authors.initials: P
authors.lastname: Hergueta-Delgado
authors.forename: F
authors.initials: F
authors.lastname: Pellicer Bautista
authors.forename: J M
authors.initials: JM
authors.lastname: Herrerías Gutiérriz
mesh_terms: D000368:Aged; D014670:Ampulla of Vater / Q000002:abnormalities*; D001658:Biliary Fistula / Q000150:complications* / Q000175:diagnosis*; D002760:Cholangiopancreatography, Endoscopic Retrograde; D003937:Diagnosis, Differential; D042882:Gallstones / Q000150:complications*; D006801:Humans; D008297:Male; D013105:Sphincterotomy, Transduodenal