Protection of scutellarin on rat brain microvascular endothelial cells injury Regulation of Weichang’an Pill on intestinal digestive enzymes and gastrointestinal hormone levels in compound diarrhea rats Regulation of Weichang’an Pill on intestinal digestive enzymes and gastrointestinal hormone levels in compound diarrhea rats Protection of scutellarin on rat brain microvascular endothelial cells injury