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. 2020 Dec 22;13(1):9. doi: 10.3390/pharmaceutics13010009

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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 cellular uptakes of single and combination formulations in A549, Calu-3 and Beas-2B as a function against time. Data are expressed as mean ± SD of three replicates. * Significantly different at p < 0.05 (Tukey post hoc test).