Triantafyllou K, Kalli T, Danias N G
Hepatogastroenterology Unit, 2nd Department of Internal Medicine-Propaedeutic, Attikon University General Hospital, Medical School, Athens University, Athens, Greece.
Endoscopy. 2010;42 Suppl 2:E87-8. doi: 10.1055/s-0029-1243878. Epub 2010 Mar 1.