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. 2020 May 4;13:927–936. doi: 10.2147/JPR.S232081

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© 2020 Gao et al.

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Changes in von Frey.

Notes: Tactile detection: There was no difference in von Frey of group A and group B before the treatment (P > 0.05). After the ozone therapy, there was a significant decrease in von Frey (*P < 0.05) of group A and group B. Meanwhile, the von Frey of group A and group B have a significant difference after the ozone therapy (^#P<0.05).