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. 2022 Jun 29;13(7):1038. doi: 10.3390/mi13071038

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© 2022 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–C) Schematic representation of the photo-crosslinking process of a hydrogel laden with cells and cell cytotoxicity induced by the photoinitiator LAP and (D) UV light irradiation. * is p ≤ 0.05; ** is p ≤ 0.01; *** is p ≤ 0.001 [94,122].