S. Pontone, M. Giusto, A. Filippini, C. Cicerone, D. Pironi, and M. Merli, “Hemostasis in uncontrolled esophageal variceal bleeding by self-expanding metal stents: a systematic review”, Gastroenterol Hepatol Bed Bench, vol. 9, no. 1, pp. 6–11, Dec. 2015.