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. 2017 May 12;4(1):e000178. doi: 10.1136/bmjresp-2017-000178

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© Article author(s) (or their employer(s) unless otherwise stated in the text of the article) 2017. All rights reserved. No commercial use is permitted unless otherwise expressly granted.

This is an Open Access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/

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Relationship between cough sound and oesophageal pressure during spontaneous cough in an individual patient with idiopathic chronic cough. Cough sound power calculated from P_0.5 time window. Spearman’s correlation coefficient.