Mucosotomy at the top of the septum facilitates tunneling and clipping during peroral endoscopic myotomy for Zenker’s diverticulum (Z-POEM) Authors Georgios Mavrogenis, Ioannis Tsevgas, Dimitrios Zachariadis, Fateh Bazerbachi. PDF HTML Published 2019-12-27 Issue Volume 33, No 1 (2020) Section Images of the Month