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Brief communication
Chronic obstructive pulmonary disease and lung cancer incidence in never smokers: a cohort study
- Correspondence to Dr Juhee Cho, Center for Clinical Epidemiology, Samsung Medical Center, Seoul 06351, South Korea; jcho{at}skku.edu
Citation
Chronic obstructive pulmonary disease and lung cancer incidence in never smokers: a cohort study
Publication history
- Received June 20, 2019
- Revised November 25, 2019
- Accepted December 31, 2019
- First published April 2, 2020.
Online issue publication
May 15, 2020
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- Previous version (2 April 2020).
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© Author(s) (or their employer(s)) 2020. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ. http://creativecommons.org/licenses/by-nc/4.0/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, appropriate credit is given, any changes made indicated, and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/.