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. 2011 Dec 2;2(4):338–354. doi: 10.3390/jfb2040338

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© 2011 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 license (http://creativecommons.org/licenses/by/3.0/).

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(a) PDGF-AB and (b) PDGF-BB observations showed statistically significant resistance to degradation over time in the protease solutions compared to control solutions (PDGF-AB, n = 24, p = 0.0002; PDGF-BB, n = 48, p = 0.0146).