title: [Sphincterotomy and sphincteroplasty: a comparative study in a series of 257 patients].
mesh_terms: D014670:Ampulla of Vater / Q000601:surgery*; D001649:Bile Duct Diseases / Q000601:surgery; D002769:Cholelithiasis / Q000601:surgery*; D004444:Echinococcosis, Hepatic / Q000601:surgery*; D006801:Humans; D011183:Postoperative Complications / Q000209:etiology; D012189:Retrospective Studies; D009803:Sphincter of Oddi / Q000601:surgery*
vernacular_title: Esfinterotomía y esfinteroplastía: estudio comparativo de una serie de 257 pacientes.