Article info
PDFEpidemiology
Chronic bronchitis before age 50 years predicts incident airflow limitation and mortality risk
- Correspondence to Dr S Guerra, Arizona Respiratory Center, University of Arizona, 1501 N. Campbell Ave, PO Box 245030, Tucson, AZ 85724-5030, USA; sguerra{at}arc.arizona.edu
Citation
Chronic bronchitis before age 50 years predicts incident airflow limitation and mortality risk
Publication history
- Received November 4, 2008
- Accepted June 2, 2009
- First published July 5, 2009.
Online issue publication
September 01, 2022
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- Previous version (29 April 2016).
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BMJ Publishing Group Ltd and British Thoracic Society. All rights reserved.