Combination of wogonin and sorafenib effectively kills human hepatocellular carcinoma cells through apoptosis potentiation and autophagy inhibition. - LI-WEN RONG; RUI-XUE WANG; XUE-LIAN ZHENG; XU-QIN FENG; LEI ZHANG; LIN ZHANG; YONG LIN; ZHI-PING LI; XIA WANG (Oncology Letters, 2017)