Cytotoxicity of lvbingquejuzhi and its derivative to Spodoptera litura cells Effect of PUVA on mitochondrial membrane potential in apoptosis of K562 and NB4 leukemia cells Protective effects and machanism of muskone on pheochromocytoma cell injure induced by glutamate Antiproliferative effects mechanism of β-sitosterul in hepatoma HepG2 cells Inducement of Oridonin Injection to SGC-7901 cell apoptosis and its mechanisms