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. 2010 Dec 20;11(12):5256–5272. doi: 10.3390/ijms11125256

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© 2010 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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Figure 9. — Apoptotic index of ARPE-19 cells exposed to various indicated chitosan membranes (5 mg) as determined by the TUNEL assay. An asterisk indicates statistically significant differences (*p < 0.05; n = 3) as compared to controls (without materials).