title: Endoscopic sphincterotomy assisted by catheterization antegrade.
mesh_terms: D000368:Aged; D014670:Ampulla of Vater / Q000601:surgery*; D002404:Catheterization; D004724:Endoscopy; D005260:Female; D042882:Gallstones / Q000628:therapy; D006801:Humans; D008297:Male; D009803:Sphincter of Oddi / Q000601:surgery*