1. U.S. Environmental Protection Agency, Office of Research and Development, Air Quality Criteria for Particulate Matter. Washington, DC, US Government Printing Office, 1997, EPA/600/P-95/001aF, Vol. III, pp. 12–31 to 12–75.
2. Is daily mortality associated specifically with fine particles?;Schwartz;J. Air Waste Manage. Assoc.,1996
3. U.S. Environmental Protection Agency, Air Quality Criteria for Particulate Matter, 1997, op cit., pp. 12–79 to 12–103.
4. Air pollution and hospital admissions for cardiovascular disease in Detroit, Michigan;Schwartz;Am. J. Epidemiol.,1995
5. Associations between ambient particle sulfate and admissions to Ontario hospitals for cardiac and respiratory diseases;Burnett;Am. J. Epidemiol.,1995