Povar Echeverria M, Boudet Barraca JM, Auquilla Clavijo PE. Endoscopic treatment in an elderly patient with Bouveret syndrome. An Sist Sanit Navar [Internet]. 2016Dec.30 [cited 2024Aug.31];39(3):429-32. Available from: https://recyt.fecyt.es/index.php/ASSN/article/view/49594