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. 2015 Feb 1;4:40. doi: 10.1186/s40064-015-0796-y

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© Björklund et al.; licensee Springer. 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.

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VO ₂ values (means ± SD) during the three sessions of roller skiing on a treadmill. The mean calculated 90% VO_2max (DIA_LIN) and 90% VO_2peak (DP_LIN) are illustrated by the double line.