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. 2021 Mar 9;14:745–760. doi: 10.2147/JIR.S297166

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© 2021 Wang et al.

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Histopathological analysis of the rat knee joint. (A, B) Representative hematoxylin-eosin, safranin O/fast green and toluidine blue staining images of rat knee cartilage from different groups after four (A) or eight (B) weeks of engeletin intervention. (C) Scatter plot of the OARSI scores of the knee cartilage from different groups.