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. 2021 Aug 11;16:5357–5370. doi: 10.2147/IJN.S325885

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© 2021 Yu et al.

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Water contact angles of (A) pure PLGA nanofibers, (B) drug-loaded PLGA nanofibers, (C) sheath-core structured BMP-2/PLGA nanofibers, and (D) H2 fixator.