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; SEKİZLİ, Mesut; ÖZKARA, Selvinaz; ÖVÜNÇ KURDAŞ, Oya; Yaşar, Bülent (Turkish Journal of Gastroenterology, 2011)