US air pollution is harmful and fine particles can kill.
Moorhouse
Steve
S
D000393:Air Pollutants / Q000009:adverse effects* / Q000737:chemistry; D000397:Air Pollution / Q000009:adverse effects*; D006801:Humans; D009026:Mortality; D010316:Particle Size; D052638:Particulate Matter / Q000009:adverse effects* / Q000737:chemistry; D014481:United States / Q000453:epidemiology
D000393:Air Pollutants; D052638:Particulate Matter