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. 2019 Sep 25;24(19):3471. doi: 10.3390/molecules24193471

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© 2019 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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Morphology of spray congealed MPs based on different hydrophilic excipients. (A) PEG 3350; (B) Poloxamer 407; (C) Gelucire 50/13. Figures adapted with permission from [49,50,51].