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. 2022 Feb 7;13:828087. doi: 10.3389/fphys.2022.828087

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Copyright © 2022 Stephenson, Nemkov, Qadri, Sheffield and D’Alessandro.

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) and the copyright owner(s) 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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Correlation of intracellular (A) or extracellular (B) iron (Fe) levels to RBC or superantant metabolites. In panel (C), highlighted correlations curves for Fe and Cu (intracellular) and Hypoxanthine and Fe (supernatant).