Risk factors for endoscopic retrograde cholangiopancreatography-related cholangitis: A prospective study - ERTUĞRUL, İbrahim and YÜKSEL, İlhami and PARLAK, Erkan and ÇİÇEK, Bahattin and ATASEVEN, Hilmi and BAŞAR, Ömer and İBİŞ, Mehmet and ŞAŞMAZ, Nurgül and ŞAHİN, Burhan (Turkish Journal of Gastroenterology, 2009)