Article info
PDFRespiratory medicine
Research
Risk factors for acute exacerbations of COPD in a primary care population: a retrospective observational cohort study
- Correspondence to Dr Hana Müllerová; hana.x.muellerova{at}gsk.com
Citation
Risk factors for acute exacerbations of COPD in a primary care population: a retrospective observational cohort study
Publication history
- Received July 21, 2014
- Revised October 17, 2014
- Accepted November 28, 2014
- First published December 18, 2014.
Online issue publication
October 25, 2017
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Published by the BMJ Publishing Group Limited. For permission to use (where not already granted under a licence) please go to http://group.bmj.com/group/rights-licensing/permissions This is an Open Access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/