[Electroymographic study of the gastrointestinal system with endoscopic induction under direct vision (with special reference to the effect of endoscopic sphincterotomy on the papillary function)].
D014670:Ampulla of Vater / Q000502:physiology* / Q000601:surgery; D004576:Electromyography / Q000379:methods*; D004724:Endoscopy; D006801:Humans