Article info
Chronic obstructive pulmonary disease
Environmental triggers of COPD symptoms: a case cross-over study
- Correspondence to Dr Susan R Sama; Susan_Sama{at}uml.edu
Citation
Environmental triggers of COPD symptoms: a case cross-over study
Publication history
- Received January 3, 2017
- Revised May 15, 2017
- Accepted June 5, 2017
- First published July 3, 2017.
Online issue publication
January 19, 2023
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Copyright information
© Article author(s) (or their employer(s) unless otherwise stated in the text of the article) 2017. All rights reserved. No commercial use is permitted unless otherwise expressly granted. This is an Open Access article distributed in accordance with the terms of the Creative Commons Attribution (CC BY 4.0) license, which permits others to distribute, remix, adapt and build upon this work, for commercial use, provided the original work is properly cited. See: http://creativecommons.org/licenses/by/4.0/