title: Precut papillotomy via fine-needle knife papillotome: a safe and effective technique.
mesh_terms: D014670:Ampulla of Vater / Q000601:surgery*; D003137:Common Bile Duct Diseases / Q000601:surgery; D019723:Endoscopes; D004724:Endoscopy / Q000379:methods*; D006801:Humans; D013525:Surgical Instruments