Two more reports link air pollution and asthma...and an editorial view.
D000397:Air Pollution / Q000009:adverse effects*; D001249:Asthma / Q000209:etiology*; D002648:Child; D006801:Humans; D009585:Nitrogen Dioxide / Q000633:toxicity; D010083:Oxidants, Photochemical / Q000633:toxicity; D010126:Ozone / Q000633:toxicity
D010083:Oxidants, Photochemical; D010126:Ozone; D009585:Nitrogen Dioxide