Authors: Konstantinos N Tzirogiannis; George K Papadimas; Vasiliki G Kondyli; Kalliopi T Kourentzi; Maria D Demonakou; Loukas G Kyriakou; Michael G Mykoniatis; Rosa I Hereti; Georgios I Panoutsopoulos Journal: Dig Dis Sci Date: 2006-10-20 Impact factor: 3.199