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. 2022 Jun 18;14(6):1299. doi: 10.3390/pharmaceutics14061299

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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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Pellets prepared by conventional and innovative technologies (Photos: Keyence VHX 970 digital microscope, Olympus Stylus TG-4 digital camera; 3D printer: Original Prusa SL1S SPEED 3D printer).