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. 2015 Aug 25;20(1):70. doi: 10.1186/s40001-015-0164-y

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© Ehrnthaller et al. 2015

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 — Expression changes of components of the complement system demonstrate upregulation of C3 and little change in C4. Expression ratio of trauma lungs/sham lungs >2 was defined as upregulation, a ratio <0.5 as downregulation. Displayed are mean values ± SEM