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. 2016 Feb 11;13:7. doi: 10.1186/s12989-016-0120-1

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© Mao et al. 2016

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 5 — The morphological observation and representative H&E stained images of the lungs harvested 24 h post exposure (a and a’ control group; b and b’, 5 μg exposed dose; c and c’, 50 μg exposed dose). Sections were analyzed blindly and representative images selected from 6 mice per treatment group are shown. Blue arrows: cells in alveoli; red arrows: parenchymal; black arrows: interstitial edema