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Severity of chronic obstructive pulmonary disease with ‘exacerbator with emphysema phenotype’ is associated with potential biomarkers
- Correspondence to Wendong Hao, Department of Respiratory and Critical Care Medicine, Yan'an University, Yan'an, Shaanxi 716099, China; hwdokgood{at}hotmail.com
Citation
Severity of chronic obstructive pulmonary disease with ‘exacerbator with emphysema phenotype’ is associated with potential biomarkers
Publication history
- Received March 20, 2019
- Revised July 2, 2019
- Accepted July 24, 2019
- First published August 2, 2019.
Online issue publication
December 12, 2019
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- Previous version (2 August 2019).
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© Author(s) (or their employer(s)) 2020. No commercial re-use. See rights and permissions. Published by BMJ.