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. 2017 Aug 29;8:485. doi: 10.3389/fphar.2017.00485

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Copyright © 2017 Ma, Yang, Chen, Xie, Wang, He and Wang.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Forest plot of hemodynamics improvement comparing the experimental and control groups. (A) Forest plot of peak-flow rate; (B) forest plot of average velocity. I² and P are the criterion for the heterogeneity test, pooled odds ratio, odds ratio and 95% CI.

Inline graphic — Forest plot of hemodynamics improvement comparing the experimental and control groups. (A) Forest plot of peak-flow rate; (B) forest plot of average velocity. I² and P are the criterion for the heterogeneity test, pooled odds ratio, odds ratio and 95% CI.