Protection of scutellarin on rat brain microvascular endothelial cells injury Substitution of antelope horn in Danqi Piantan capsule with artificial bezoar in vitro Protective mechanism of Danhong injection on brain microvascular endothelial cells injured by hypoxic Dynamic effect of Huanglian Jiedu Tang on Nimodipine disposition in rat brain Protection of scutellarin on rat brain microvascular endothelial cells injury