Extremely High Preoperative Alpha-Fetoprotein Level is Associated with Vascular Invasion, Non-R0 Resection, and Poor Prognosis in Hepatocellular Carcinoma Patients. Issue 6 (June 2019) - Zhang, Yuanping; Huang, Pinzhu; Zheng, Yun; Wang, Yongjin; Yuan, Yichuan; He, Wei; Liu, Wenwu; Yang, Zhiwen; Wang, Chenwei; Yuan, Yunfei; Li, Binkui