作者单位: | Hakan Alagozlu,Zahide Simsek,Selahattin Unal,Mehmet Cindoruk,Sukru Dumlu(Division of Gastroenterology, Department of Internal Medicine, Faculty of Medicine, Gazi University Hospital, Ankara 06500, Turkey);Ayse Dursun(Department of Pathology, Faculty of Medicine, Gazi University Hospital, Ankara 06500, Turkey) |