Article info
Original article
Chronic obstructive pulmonary disease mortality in railroad workers
- Jaime E Hart, Channing Laboratory, 181 Longwood Ave, Boston MA 02115, USA; Jaime.hart{at}channing.harvard.edu
Citation
Chronic obstructive pulmonary disease mortality in railroad workers
Publication history
- Accepted August 1, 2008
- First published November 27, 2008.
Online issue publication
August 10, 2020
Article Versions
- Previous version (27 April 2016).
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Copyright information
2009 BMJ Publishing Group