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. 2023 Feb 2;15(2):500. doi: 10.3390/pharmaceutics15020500

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© 2023 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/).

PMC Copyright notice

(a) CT images for different GNS-FA concentration; (b) Hounsfield values dependent on the AuNSs concentrations. Reprinted (adapted) with permission from [167], Copyright 2021 American Chemical Society.