Tetramethylpyrazine Protects Against Glucocorticoid-Induced Apoptosis by Promoting Autophagy in Mesenchymal Stem Cells and Improves Bone Mass in Glucocorticoid-Induced Osteoporosis RatsLong Wang, Weiguang Lu, Zhuo-Jie Zhao et al.|Stem Cells and Development|2016Cited by 47