Tehran University of Medical Sciences Iranian Journal of Public Health 2251-6085 45 4 2016 04 27 540 541 Ufuk BARIŞ KUZU Dept. of Gastroenterology, Yuksek Ihtisas Training and Research Hospital, Ankara, Turkey Erkin ÖZTAŞ Dept. of Gastroenterology, Yuksek Ihtisas Training and Research Hospital, Ankara, Turkey Mustafa KAPLAN Dept. of Gastroenterology, Yuksek Ihtisas Training and Research Hospital, Ankara, Turkey Nuretdin SUNA Dept. of Gastroenterology, Yuksek Ihtisas Training and Research Hospital, Ankara, Turkey Tülay TEMUÇİN KEKLİK Dept. of Pathology, Yuksek Ihtisas Training and Research Hospital, Ankara,Turkey Meral AKDOĞAN Dept. of Gastroenterology, Yuksek Ihtisas Training and Research Hospital, Ankara, Turkey 2016 04 27 2016 04 27 No Abstract. https://ijph.tums.ac.ir/index.php/ijph/article/view/6587 https://ijph.tums.ac.ir/index.php/ijph/article/download/6587/5379