Bartella Isabel, Mallmann Christoph, Bürger Martin, Toex Ulrich, Goeser Tobias, Bruns Christiane, Chon Seung-Hun
Department of General, Visceral and Cancer Surgery, University Hospital of Cologne, Cologne, Germany.
Department of Gastroenterology and Hepatology, University Hospital of Cologne, Cologne, Germany.
Endoscopy. 2019 Aug;51(8):E227-E228. doi: 10.1055/a-0885-9659. Epub 2019 May 2.