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. 2021 Dec 3;22(23):13080. doi: 10.3390/ijms222313080

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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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Histological evaluation using HE and ARS staining for the “1w-1w”. (a) HE staining and (b) ARS staining. Red arrows: Cells located along the AFS skeletons; *: AFS macropores.