Affiliation: | Baskent University, Faculty of Medicine, Department of Gastroenterology, Konya Uygulama ve Ara?tirma Merkezi, Konya, Saray Cad. No: 1, Selcuklu 42080, Konya, Turkey Tel.: +90 332 2570606; fax: +90 332 2570637; Baskent University, Faculty of Medicine, Department of Gastroenterology, Ankara, Turkey |