Article Information
Author Information
- From *the Department of Family and Community Medicine, University of Toronto, Toronto, Ont.; †the Department of Family Medicine and ‡the Community Medicine Residency Program, Department of Clinical Epidemiology and Biostatistics, McMaster University, Hamilton, Ont.; and §the Air and Fuel Assessment Section, Health Canada, Ottawa, Ont.
- Correspondence to:
Dr. Alan Abelsohn, 1-1735 Bathurst St., Toronto ON M5P 3K4; fax 416 483-8182; [email protected]