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. 2021 Oct 4;3:707826. doi: 10.3389/fmedt.2021.707826

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Copyright © 2021 Madekurozwa, Bonneuil, Frattolin, Watson, Moore, Stevens, Moore, Mathiszig-Lee and van Batenburg-Sherwood.

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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Numerical model predictions of pressure (A,C,E) and flow rate (B,D,F) under conditions of ISO 80601-2-12:2020 test case 4 (purple lines in Figure 11) at three values of K_v,C that are representative of three inhalation regimes.