Markogiannakis H, Toutouzas K G, Pararas N V, Romanos A, Theodorou D, Bramis I
1st Department of Propaedeutic Surgery, Hippokrateion Hospital, Athens Medical School, University of Athens, Athens, Greece.
Endoscopy. 2007 Feb;39 Suppl 1:E195. doi: 10.1055/s-2007-966416. Epub 2007 Jul 5.