“Angelica Sinensis Has Inherent Endothelial Cell Toxicity at High Concentrations But Can Also Protect the Vascular Endothelium from Oxidative Stress-Induced Injury at Moderate Concentrations”. Alternative Medicine Studies, vol. 1, no. 1, Aug. 2011, p. e8, https://doi.org/10.4081/ams.2011.e8.