Prevalence of asthma-COPD overlap syndrome among primary care asthmatics with a smoking history: a cross-sectional study.

NPJ Prim Care Respir Med · 2015 · PMC4504195 · PMID 26182124

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8 Although ACOS appears to be clinically highly significant, little is known about the treatment of these patients, as they are typically excluded from therapy trials for asthma or COPD. 9 There is only some data on the prevalence of ACOS.

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