. 2019 Mar 31;20(7):1606. doi: 10.3390/ijms20071606
© 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/).
| BBB | Blood–Brain Barrier |
| AP | Apical |
| BL | Basolateral |