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. 2022 Feb 17;27(4):1368. doi: 10.3390/molecules27041368

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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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Diagram showing static Franz diffusion cell for permeation tests (in vitro) of DES-based formulation, blue colored arrow shows drug permeation pathway [106]. Reproduced from ref. [106] under terms of CC BY 4.0 license.