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. 2015 Nov 24;3:31. doi: 10.1186/s40635-015-0067-9

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© Watts 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.

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Fig. 4 — ELISA analysis of the endothelin axis. a Big endothelin concentrations. b endothelin-1 concentrations. Samples measured in EDTA plasma. Sheep 6 has been excluded from this analysis (brain dead group) due to technical errors in measurement