. 2020 Jun 10;12(6):535. doi: 10.3390/pharmaceutics12060535
© 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/).
Figure 1.
Schematic overview of the preparation.