Relaxation of Danhong Injection in vascular smooth muscle cells in co-culture system and study on its mechanism Chemical constituents and activities of total flavonoids from Yushen Tang Study on inhibitory effects and mechanism of lipophilic components in Salvia miltiorrhiza on angiogenesis in vitro Protection of Z-ligustilide on human umbilical vein endothelial cells and its mechanism Effect of gastrodin against oxidative stress induced by high glucose in human umbilical vein endothelial cells