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. 2017 Sep 17;7:33. doi: 10.1186/s13601-017-0169-4

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© The Author(s) 2017

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 4 — Correlations between peak nasal inspiratory flow (PNIF) and oral peak expiratory flow (PEF) (a), height (b), and weight (c) with n = 86, and relative peak nasal inspiratory flow compared to baseline (PNIF%) and mean VAS change from baseline (d), mean Total Nasal Symptom Score (TNSS) (e), and mean nasal congestion score (f) with n = 203