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. 2020 Apr 22;52(10):2250–2261. doi: 10.1249/MSS.0000000000002363

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Copyright © 2020 The Author(s). Published by Wolters Kluwer Health, Inc. on behalf of the American College of Sports Medicine.

This is an open-access article distributed under the terms of the Creative Commons Attribution-Non Commercial-No Derivatives License 4.0 (CCBY-NC-ND), where it is permissible to download and share the work provided it is properly cited. The work cannot be changed in any way or used commercially without permission from the journal.

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Subgroup analysis of exercise parameters. SMD of NO₃⁻ supplementation compared with placebo for F_iO₂ (normoxia vs hypoxia; A), mean exercise time (B), and exercise type (C) calculated used random-effects meta-analyses. * denotes better performance after NO₃⁻ supplementation compared with placebo, P < 0.05.