title: Asymptomatic retroperitoneal air after endoscopic sphincterotomy.
authors.forename: J C
authors.initials: JC
authors.lastname: Yarze
mesh_terms: D014670:Ampulla of Vater / Q000601:surgery; D002760:Cholangiopancreatography, Endoscopic Retrograde; D006801:Humans; D011446:Prospective Studies; D012188:Retropneumoperitoneum / Q000000981:diagnostic imaging / Q000209:etiology*; D012307:Risk Factors; D016717:Sphincterotomy, Endoscopic / Q000009:adverse effects*; D014057:Tomography, X-Ray Computed