Fixation of Fully Covered Esophageal Stent With The New Over-The-Scope Clip (OTSC) - Chálim Rebelo, C; Nunes, N; Flor de Lima, M; Moura, DB; Santos, MP; Costa Santos, V; Rego, AC; Pereira, JR; Paz, N; Duarte, MA (Endoscopy, 2021)