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. 2022 Aug 2;14(8):1617. doi: 10.3390/pharmaceutics14081617

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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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Bright-field optical photography of NHDF in the presence of FBS 10% or PRP (5–20%) after 7 days of culture. Magnification 10×. Pictures are representative of one donor. Data from Berndt et al. Tissue Engineering. Part A. 2019 [81].