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Comment
. 2016 Jan:110:81.
doi: 10.1016/j.rmed.2015.11.011. Epub 2015 Nov 27.

Response to Letter to the Editor: Improvements in lung function with umeclidinium/vilanterol versus fluticasone propionate/salmeterol in patients with moderate-to-severe COPD and infrequent exacerbations

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Response to Letter to the Editor: Improvements in lung function with umeclidinium/vilanterol versus fluticasone propionate/salmeterol in patients with moderate-to-severe COPD and infrequent exacerbations

James F Donohue. Respir Med. 2016 Jan.
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