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. 2021 Jan 7;21(3):184. doi: 10.3892/etm.2021.9615

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Copyright: © Ao et al.

This is an open access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.

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Serum levels of (A) IL-2, (B) IL-4, (C) IFN-γ and (D) IL-2/IL-4 ratio between two groups. Values are presented as the mean ± standard deviation. ^*P<0.05 vs. sham TEAS group; ^#P<0.05 vs. T0. TEAS, transcutaneous electrical acupoint stimulation.