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. 2020 May 6;12(5):424. doi: 10.3390/pharmaceutics12050424

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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 amount of Fe⁺³ internalized in HGF and A549 (a) and the relative internalization (b) evaluated after 24 h of exposure to different concentrations of IOMNPs. The values are expressed as mean ± SD of at least three biological replicates.