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. 2020 Aug 15;25(16):3734. doi: 10.3390/molecules25163734

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© 2020 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 (http://creativecommons.org/licenses/by/4.0/).

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The roughness parameters in group 1 (H), group 2 (IMO—induced model of osteoarthritis), and group 3 (PRP): (a) the arithmetic average of absolute values (Ra); (b) the maximum peak height (Rp); (c) the mean spacing between local peaks (S).

The roughness parameters in group 1 (H), group 2 (IMO—induced model of osteoarthritis), and group 3 (PRP): (a) the arithmetic average of absolute values (Ra); (b) the maximum peak height (Rp); (c) the mean spacing between local peaks (S).