Prediction of Esophageal Varices in Viral Hepatitis C Cirrhosis: Performance of Combined Ultrasonography and Clinical Predictors. - Puwitch Charoenchue; Wittanee Na Chiangmai; Amonlaya Amantakul; Wasuwit Wanchaitanawong; Taned Chitapanarux; Suwalee Pojchamarnwiputh (Int. J. Biomed. Imaging, 2023)