Intra-arterial ethanol embolization augments response to TACE for treatment of HCC with portal venous tumor thrombus oleh Biao Yang, Chun-Lin Li, Wen-hao Guo, Tian-qiang Qin, He Jiao, Ze-jun Fei, Xuan Zhou, Lin-jia Duan, Zheng-yin Liao