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. 2022 Mar 29;13:847969. doi: 10.3389/fphys.2022.847969

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Copyright © 2022 Sayin, Sobczyk, Poublanc, Mikulis, Fisher, Kuo and Duffin.

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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The resistance sigmoidal curves for the HC (blue line) and the SCD patient (red line) groups in GM (solid lines) and WM (dashed lines) calculated from the mean values of the resistance sigmoid parameters. (A) The MCA sigmoid curves for the GM and WM for HC and SCD patient groups. (B) The ACA sigmoid curves for the GM and WM for HC and SCD patient groups. (C) The PCA sigmoid curves for the GM and WM for HC and SCD patient groups. The dots on each sigmoid curve represent the resistance reserve (from the dot to the lowest resistance).