Fecal calprotectin concentration is increased in children with celiac disease: relation with histopathological findings - BALAMTEKİN, Necati and DEMİR, Hülya and BAYSOY, Gökhan and USLU, Nuray and ORHAN, Diclehan and AKÇÖREN, Zuhal and ÖZEN, Hasan and GÜRAKAN, Figen and SALTIK-TEMİZEL, İnci and; , Aysel (Turkish Journal of Gastroenterology, 2012)