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. 2022 Mar 25;17:1423–1435. doi: 10.2147/IJN.S356250

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© 2022 Fan et al.

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(A) The expression of vimentin in PRFs under a fluorescence microscope. Viability of PRFs (B) and RAW264.7 cells (C) incubated with each NFm group after 24 h. ①, PLGA NFm; ②, PLGA-g-PVP NFm; ③, PLGA-g-PVP/PC1 NFm; and ④, PLGA-g-PVP/PC2 NFm.