Experimental Studies of Antitumor Effect of Artesunate on Liver Cancer Cytotoxic Components from Mangrove Plant Scyphiphora hydrophyllacea Influences of Oxytropis falcata on proliferation of SMMC-7721 Hepatocarcinoma cells and expression of MMP-2 Study on apoptosis of SMMC-7721 hepatocarcinoma cells induced by Oxytropis falcata and its preliminary mechanism Effect of spidervenom from Macrothele raveni on proliferation and cell cycle of human hepatocellular carcinoma cell line SMMC-7721