Article Information
vol. 20 no. 3 635-639
PubMed
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History
- Received February 5, 2002
- Accepted April 6, 2002
- Published online September 1, 2002.
Copyright & Usage
© ERS Journals Ltd
Author Information
- P. Ernst,
- H. Ghezzo and
- M.R. Becklake
- The Respiratory Epidemiology Unit, Dept of Epidemiology and Biostatistics, McGill University, Montreal, Canada
- M.R. Becklake, Respiratory Epidemiology Unit, McGill University, 1110 Pine avenue West, Montréal, Québec, Canada, H3A 1A3. Fax: 514 3988981. E-mail: margaret.becklake@mcgill.ca