Surveillance of hepatocellular carcinoma (HCC) patients using Protein Induced by Vitamin K (PIVKA-II): A cost-utility analysis for Hong Kong. - Yuen, Man-Fung; Wastlund, David; Lin, Tammie Tan Yan; Zheng, Qishi; Chen, Junqiao; Ko, Kwan-Lung (PLoS ONE, 2026)