title: Endoscopic sphincterotomy in patients with Billroth II partial gastrectomy: comparison of three different techniques.
mesh_terms: D000368:Aged; D014670:Ampulla of Vater / Q000601:surgery*; D004564:Electrocoagulation; D004724:Endoscopy; D005260:Female; D042882:Gallstones / Q000601:surgery*; D005743:Gastrectomy; D006801:Humans; D008297:Male; D008722:Methods; D008875:Middle Aged