Pelz J, Farnbacher M J, Raithel M, Hagel A, Herrmann O, Hohenberger W, Straube S, Klein P
Department of Surgery I, Friedrich-Alexander-University Erlangen-Nuremberg, Erlangen, Germany.
Endoscopy. 2013;45 Suppl 2 UCTN:E203-4. doi: 10.1055/s-0033-1344158. Epub 2013 Jul 5.