Chronic obstructive pulmonary disease exacerbation and inhaler device handling: real-life assessment of 2935 patients.
Eur Respir J. 2017 Feb 15;49(2):1601794. doi: 10.1183/13993003.01794-2016. Print 2017 Feb.
Eur Respir J. 2017.
PMID: 28182569
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