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. 2021 Sep 29;26(19):5905. doi: 10.3390/molecules26195905

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© 2021 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

Example of osmotically controlled drug delivery systems (reproduced from [58,59,60] with permission from Pfizer Laboratories Div Pfizer Inc., Johnson & Johnson Consumer Inc. 2019 and Bayer licensed under Creative Commons Attribution (CC BY 4.0) license).