Value of AFP and PIVKA-II in diagnosis of HBV-related hepatocellular carcinoma and prediction of vascular invasion and tumor differentiation - Si, Yuan-Quan; Wang, Xiu-Qin; Fan, Gang; Wang, Chang-Yin; Zheng, Yuan-Wen; Song, Xie; Pan, Cui-Cui; Chu, Fu-Lu; Liu, Zhan-Feng; Lu, Bing-Ru; Lu, Zhi-Ming (Infectious Agents and Cancer, 2020)