Harun Erdal; Özlem Gül Utku; Eylem Karatay; Bülent Çelik; Şehri Elbeg; İbrahim Doğan. Combination of DKK1 and AFP Improves Diagnostic Accuracy of Hepatocellular Carcinoma Compared With Either Marker Alone. Turkish Journal of Gastroenterology 2019, 27, 375-381.