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. 2016 Mar 23;46:1083–1093. doi: 10.1007/s40279-016-0491-3

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© The Author(s) 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.

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Fig. 1 — Eucapnic voluntary hyperpnea protocol and test recommendations. EVH eucapnic voluntary hyperpnea, FEV ₁ forced expiratory volume in 1 s, MVV maximum voluntary ventilation