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. 2021 Jun 28;13(7):978. doi: 10.3390/pharmaceutics13070978

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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/).

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Representative micrographs of nasal cavities excised from rats (A) received no treatment (B) treated nasally with nasal nanovesicular carrier (NVS), and (C) treated nasally with normal saline (NS) (10×).