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. 2021 Nov 11;22(22):12200. doi: 10.3390/ijms222212200

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© 2021 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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Different synthetic strategies of 3D matrix-based: (a) collagen; (b) Lyophilization; (c) Electrospiding; (d) Stereolithography; (e) Micro fluid [271,272,273,277,278].