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. 2015 Jan 27;10(1):4. doi: 10.1186/2049-6958-10-4

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© Fumagalli et al.; licensee BioMed Central. 2015

This article is published under license to BioMed Central Ltd. 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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Airflow obstruction and complexity of inhalation therapy. Link between comorbidities and respiratory dysfunction evaluated by Tiffeneau Index (FEV₁/FVC) and FEV₁ as percent of predicted.