Two findings of portal hypertension: Evaluation of correlation between serum-ascites albumin gradient and esophageal varices in non-alcoholic cirrhosis - DEMİREL, Ulvi and KARINCAOĞLU, Melih and HARPUTLUOĞLU, Murat MM and ATEŞ, Mehmet and SEÇKİN, Yüksel and YILDIRIM, Bülent and HİLMİOĞLU, Fatih (Turkish Journal of Gastroenterology, 2003)