AST-platelet ratio index, Forns index and FIB-4 in the prediction of significant fibrosis and cirrhosis in patients with chronic hepatitis C - Güzelbulut, Fatih; AKKAN ÇETİNKAYA, Züleyha and SEKİZLİ, Mesut and ÖZKARA, Selvinaz and ÖVÜNÇ KURDAŞ, Oya and Yaşar, Bülent (Turkish Journal of Gastroenterology, 2011)