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. 2017 Nov 1;8:868. doi: 10.3389/fphys.2017.00868

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Copyright © 2017 Storniolo, Pavei and Minetti.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Relation between $\dot{V} O_{2 p e a k}$ and v_test (A), v_off (B), and ΔHR. (C) are illustrated.