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. 2018 Nov 8;11:2797–2808. doi: 10.2147/JPR.S171664

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© 2018 Yuan et al. This work is published and licensed by Dove Medical Press Limited

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Comparison of the effects of EA on histological changes in wild-type mice and CB2^−/− mice subjected to KOA induction.

Notes: (A) Representative histological knee joint sections (medial side) stained with Safranin O–Fast Green of wild-type mice and CB2^−/− mice. Summary data show the effect of EA on the OARSI score of wild-type mice (B) and CB2^−/− mice (C). Data are expressed as mean±SD (n=6 mice in each group). Scale bar: 100 µm. *P<0.05, compared with the control group; ^#P<0.05, compared with the KOA group.

Abbreviations: CON, control; EA, electroacupuncture; KOA, knee osteoarthritis; OARSI, Osteoarthritis Research Society International.