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. 2022 May 9;17:2079–2096. doi: 10.2147/IJN.S358396

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© 2022 Zhu et al.

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Immunohistochemical analysis of iNOS and Col-II expression in each group. Representative images of the immunohistochemical staining of iNOS (A) and Col-II (B) at 4 and 8 weeks after surgery, and the semi-quantitative analysis of iNOS (C) and COL-II (D) at these timepoints. *, p<0.05.