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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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Histopathological evaluation in vivo. H&E (A) and Safranin O-Fast Green (B) images of IVDs in the rat caudal vertebrae at 4 and 8 weeks. The histopathological scores of different groups at 4 and 8 weeks after surgery (C and D). *, p<0.05.