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. 2015 Feb 26;4:2. doi: 10.1186/s13728-014-0021-6

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© Coppel et al.; licensee BioMed Central. 2015

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. 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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Graph of minute ventilation. Graph to show the difference in minute ventilation between the two environments over time. Each data point represents data obtained from a study and the number refers to the time point. If the data point is in the green area, the minute ventilation was found to be higher in HH but if in the blue area, the minute ventilation was found to be lower in HH.