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. 2015 Jan 7;5:274. doi: 10.3389/fneur.2014.00274

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Copyright © 2015 Xu, Huang, Yu, Xing, Ouyang and Xing.

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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Meta-analyses of the effectiveness rate (ER), comparing the therapeutic effects of PNS injection with that of the current treatment (CT). There is an overall significant statistical difference in ER between the PNS and CT groups (P < 0.00001). And the differences in ER between the two treatment groups were significant at 2, 3, and 4 weeks (P < 0.00001, each) after PNS treatment. PNS, Panax notoginseng saponin; CT, Current treatment.