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. 2017 Dec 8;12(12):e0187833. doi: 10.1371/journal.pone.0187833

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© 2017 Marinho et al

This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Fig 4 — Influence of changes in airway obstruction in resistive parameters obtained from the control group and patients with normal (NE) and abnormal (AE) spirometry: Respiratory system resistance (R0; Fig A), mean resistance (Rm, Fig B), resistance in 4 Hz (R4; Fig C) and slope of respiratory resistance (S; Fig D). *p<0.05 related to control group; **p<0.01 related to control group; ***p<0.001 related to control group.