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. 2023 Dec 19;17(1):15. doi: 10.3390/ma17010015

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© 2023 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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(A) Preparation of CS/Hep/γ-PGA composite hydrogels [97]. (B) Design, synthesis, and biological function diagram of γ-PGA-SH/OHA-GMA hydrogel [98]. (C) Synthesis of CG, HD, and PA and formation and construction mechanism of injectable self-healing CG-HD-Pa hydrogel [100].