Çağlar BAYSAL, Klara DALVA, Enver DOLAR, Mehmet KARAHAN, Uğur YILMAZ, and Sedat BOYACIOĞLU, “Serum and fecal cytokines in active ulceratıve colitis”, Turkish Journal of Gastroenterology, vol. 6, no. 1, pp. 157–161, Apr. 2020.