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. 2020 Apr 16;26(7-8):432–440. doi: 10.1089/ten.tea.2019.0188

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© Nina Lodes, et al., 2019; Published by Mary Ann Liebert, Inc.

This Open Access article is distributed under the terms of the Creative Commons License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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FIG. 4. — Ultrastructural analysis of HBEC3-KT-based airway mucosa tissue models. Ciliated cells (A) and mucus-producing goblet cells (B) can be observed in 3D cell culture. Tight junctions (C, arrow) and a basement membrane (D, arrows) are also visible. Scale bars: 1 μm (A, C, D) and 5 μm (B).