. 2018 Oct 30;9:1159. doi: 10.3389/fphar.2018.01159
Copyright © 2018 Meng, Li, Chen, She, Zhao, Peng, Zhang, Shang, Li, Yang, Zhang, Gu, Li, Qin, Wang, Xu, Hou, Tang, Liao, Yang and Huo.
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Figure 1.
Flow diagram of the screening and enrollment of study participants.