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. 2016 Apr 6;4(7):e12748. doi: 10.14814/phy2.12748

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© 2016 The Authors. Physiological Reports published by Wiley Periodicals, Inc. on behalf of the American Physiological Society and The Physiological Society.

This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

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Relationship between preexercise GSSG/GSH and end‐exercise diameter. The relationship between absolute changes in preexercise GSSG/GSH (NAC minus PLA) and end‐exercise diameter (NAC minus PLA). There was a significant negative relationship (r ² = 0.80) suggesting those with the greatest decrease in preexercise GSSG/GSH had larger end‐exercise diameter with NAC. NAC, N‐acetylcysteine; pla, placebo; GSSG, oxidized glutathione; GSH, glutathione.