The value of fecal calprotectin as a marker of intestinal inflammation in patients with ulcerative colitis - ÖNAL, İbrahim Koral; Beyazıt, Yavuz; ŞENER, Burçin; SAVUK, Burak; ETİK, Diğdem ÖZER; SAYILIR, Abdurrahim; Öztaş, Erkin; Torun, Serkan; ÖZDERİN ÖZİN, Yasemin; TUNÇ DEMİREL, Bilge; ÜLKER, Aysel; DAĞLI, Ülkü (Turkish Journal of Gastroenterology, 2012)