title: EUS and ampullary adenoma: Why? When?
authors.affiliation: Department of Gastroenterology, Ramsay Générale de Santé, Private Hospital Jean Mermoz, Lyon, France; Department of Gastroenterology, Complejo Hospitalario Universitario de Pontevedra, Pontevedra, Spain.
authors.forename: María-Victoria
authors.initials: MV
authors.lastname: Alvarez-Sánchez
authors.affiliation: Department of Gastroenterology, Ramsay Générale de Santé, Private Hospital Jean Mermoz, Lyon, France.
authors.forename: Bertrand
authors.initials: B
authors.lastname: Napoleon