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Effect of short-term exposure to gaseous pollution on asthma hospitalisation in children: a bi-directional case-crossover analysis
  1. 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
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Citation

Lin M, Chen Y, Burnett RT, et al
Effect of short-term exposure to gaseous pollution on asthma hospitalisation in children: a bi-directional case-crossover analysis

Publication history

  • Accepted 19 March 2002
  • Published online 1 January 2003.

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