Ehlken Hanno, Schachschal Guido, Mann Oliver, Clauditz Till, Rösch Thomas
Department of Interdisciplinary Endoscopy, University Hospital Hamburg-Eppendorf, Hamburg, Germany.
Department of Abdominal and General Surgery, University Hospital Hamburg-Eppendorf, Hamburg, Germany.
Gastrointest Endosc. 2020 Aug;92(2):424-426. doi: 10.1016/j.gie.2020.04.017. Epub 2020 Apr 15.