Particulate Matter Mortality – California Environmental Protection Agency
Facts about Fine Particle Air Pollution – American Lung Association
“Even non-smokers are affected by dreaded lung disease” – Dagens Nyheter
“Dangerous Duo: Ultrafine particles aggravate allergic reactions” – GSF
“How Ultrafine Particles in Air Pollution may cause Heart Disease” – Science Daily
Cardiovascular effects of exposure to diesel exhaust – UMEÅ UNIVERSITY MEDICAL DISSERTATION
EPA Identifies Noise Levels Affecting Health and Welfare – US Environmental Protection Acency (EPA)
Influence of Negative Air Ions on Drivers – Toyota