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. 2018 Nov 3;10(11):1221. doi: 10.3390/polym10111221

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© 2018 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/).

PMC Copyright notice

Paracellular transport of carboxymethyl chitosan through the corneal epithelium. Reproduced with permission from Ref. [84]. Copyright © Elsevier, 2014.