1. Air Quality Trends in Ontario 1971–1982,1984
2. Increase in hospitalisation for childhood asthma;Anderson;Arch. Dis. Child.,1978
3. Trends in the hospital care of acute childhood asthma 1970–8: A regional study;Anderson;Brit. Med. J.,1980
4. Relationships between air pollutant levels and hospital admissions in Southern Ontario;Bates;Canad. J. Public Health,1983
5. Strength and Weaknesses of Evidence Linking Health Effects to Air Pollution;Bates,1985