An International Multicenter Study Evaluating the Clinical Efficacy and Safety of PerOral Endoscopic Myotomy (POEM) in Octogenarians

Chen, Yi; Inoue, H; Ujiki, M; Draganov, Pv; Colavita, Pd; Mion, F; Romanelli, J; Repici, A; Chiu, Pw; Balassone, V; Patel, Ly; Abbas, A; Yang, D; Dunst, Cm; Pioche, M; Roman, S; Rivory, J; Ponchon, T; Desilets, D; Maselli, R; Wong, V; Onimaru, M; Nakamura, J; Hata, Y; Hajiyeva, G; Ismail, A; Ngamruengphong, S; Bukhari, M; Chavez, Yh; Kumbhari, V; Khashab, Ma