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. 2015 Apr 24;14:38. doi: 10.1186/s12938-015-0034-4

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© White et al.; licensee BioMed Central. 2015

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. 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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Inter-airway temperature (Ta), absolute humidity (AH) and ASL water equivalent height (He,ASL) distribution from end of inhalation to maximal change during exhalation. Arrows indicate direction of change. Non-dimensional airway position (X/L), defines the ratio of distance from anterior nasal valve to the posterior choanae within the two airways. = commencement of exhalation, = intermediate value, = maximal increase during exhalation. ∆ = Keck et al. [7], ○ = Wiesmiller et al. [57], □ = Lindemann et al. [59].

Inline graphic — Inter-airway temperature (Ta), absolute humidity (AH) and ASL water equivalent height (He,ASL) distribution from end of inhalation to maximal change during exhalation. Arrows indicate direction of change. Non-dimensional airway position (X/L), defines the ratio of distance from anterior nasal valve to the posterior choanae within the two airways. = commencement of exhalation, = intermediate value, = maximal increase during exhalation. ∆ = Keck et al. [7], ○ = Wiesmiller et al. [57], □ = Lindemann et al. [59].