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. 2022 May 30;8(6):340. doi: 10.3390/gels8060340

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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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Optical microscopic images of BHK-21 and Vero cell lines treated with semi-IPN hydrogel; (a1) control and (b1) hydrogel after 48 h for BHK-21 cell, (a2) control and (b2) hydrogel after 48 h for Vero cell.