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. 2017 Jun 19;8:274. doi: 10.3389/fneur.2017.00274

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Copyright © 2017 Nordström, Koskinen and Olivecrona.

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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Schematic illustration of the relation between arterial tension of CO₂ (PaCO₂) and cerebral blood flow (CBF). The interrupted arrows indicate the decrease in CBF during a decrease in PaCO₂ due to hyperventilation.