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. 2021 Mar 11;14:711–719. doi: 10.2147/JPR.S290852

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© 2021 Fei et al.

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The proportion of clinically significant PHN at 4, 8 and 12 weeks after treatment in both groups. Gray and black indicate the proportion of clinically significant PHN in group C and group P, respectively. *P < 0.05 compared to the pretreatment.