Article info
Chronic obstructive pulmonary disease
Original research
Use of oscillatory positive expiratory pressure (OPEP) devices to augment sputum clearance in COPD: a systematic review and meta-analysis
- Correspondence to Dr Nicholas S Hopkinson, National Heart and Lung Institute, Imperial College London, London SW7 2BU, UK; n.hopkinson{at}ic.ac.uk
Citation
Use of oscillatory positive expiratory pressure (OPEP) devices to augment sputum clearance in COPD: a systematic review and meta-analysis
Publication history
- Received November 20, 2019
- Revised June 10, 2020
- Accepted June 16, 2020
- First published August 11, 2020.
Online issue publication
September 15, 2020
Article Versions
- Previous version (11 August 2020).
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Copyright information
© Author(s) (or their employer(s)) 2020. No commercial re-use. See rights and permissions. Published by BMJ.