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. 2016 May 24;12:26. doi: 10.1186/s13223-016-0131-3

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© Cruz 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. 4 — Lung histopathology. Representative images of haematoxylin and eosin stained histological lung sections. Experimental groups in this figure are represented with sections from DMSO/SAL, and AP/AP groups assessed 15 (a and d), 45 (b and e) and 90 (c and f) days after AP sensitization. AP ammonium persulfate, DMSO dimethylsulfoxide, SAL saline