Validation of a Metroticket Approach to prognosticate overall survival (OS) after Surgical Resection for Hepatocellular Carcinoma (HCC): a multi-center study. (2019) - Koh, Ye Xin; Ong, Aldwin; Moris, Dimitrios; Allen, John; Goh, Brian; Chan, Chung Yip; Chung, Alexander; Zani, Sabino; Chow, Pierce