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Effect of short-term exposure to gaseous pollution on asthma hospitalisation in children: a bi-directional case-crossover analysis
- Correspondence to: Dr Y Chen, Department of Epidemiology and Community Medicine, University of Ottawa, 451 Smyth Road, Ottawa, Ontario, Canada K1H 8M5; ychen{at}uottawa.ca
Citation
Effect of short-term exposure to gaseous pollution on asthma hospitalisation in children: a bi-directional case-crossover analysis
Publication history
- Accepted March 19, 2002
- First published January 1, 2003.
Online issue publication
April 27, 2016
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Copyright 2003 Journal of Epidemiology and Community Health