title: Needle-knife papillotomy revisited.
authors.forename: J
authors.initials: J
authors.lastname: Baillie
mesh_terms: D014670:Ampulla of Vater / Q000601:surgery*; D002760:Cholangiopancreatography, Endoscopic Retrograde / Q000379:methods; D006801:Humans; D011183:Postoperative Complications; D012449:Safety; D016717:Sphincterotomy, Endoscopic / Q000009:adverse effects / Q000295:instrumentation / Q000379:methods*; D016896:Treatment Outcome