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2. Relationship between air pollutant levels and hospital admissions in Southern Ontario;Bates;Can. J. Public Health,1983
3. A study of hospital admissions and air pollutants in Southern Ontario;Bates,1986
4. A study of hospital admissions and air pollutants in Southern Ontario;Bates;Environ. Res.,1987
5. The Ontario air pollution study: Identification of the causative agent;Bates;Environ. Health Perspect.,1989