title: Endoscopic papillotomy: the development of a method.
mesh_terms: D014670:Ampulla of Vater / Q000601:surgery*; D000818:Animals; D004285:Dogs; D004724:Endoscopy / Q000266:history* / Q000379:methods; D005336:Fiber Optic Technology; D049673:History, 20th Century; D006801:Humans