title: Endoscopic sphincterotomy, nasobiliary drainage and biliary stent placement without image intensification.
authors.forename: P B
authors.initials: PB
authors.lastname: Cotton
mesh_terms: D002760:Cholangiopancreatography, Endoscopic Retrograde / Q000379:methods*; D006801:Humans; D011183:Postoperative Complications; D016717:Sphincterotomy, Endoscopic; D015607:Stents