Kalli Theodora, Karamanolis George, Triantafyllou Konstantinos
Hepatogastroenterology Unit, Second Department of Internal Medicine-Propaedeutic, Attikon University General Hospital, Medical School, Athens University, Athens, Greece.
Clin Gastroenterol Hepatol. 2011 Apr;9(4):e33. doi: 10.1016/j.cgh.2010.10.026. Epub 2010 Nov 9.