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Title
Association of low-level ozone and fine particles with respiratory symptoms in children with asthma.
Authors
Gent, Janneane F; Triche, Elizabeth W; Holford, Theodore R; Belanger, Kathleen; Bracken, Michael B; Beckett, William S; Leaderer, Brian P
Abstract
Exposure to ozone and particulate matter of 2.5 microm or less (PM2.5) in air at levels above current US Environmental Protection Agency (EPA) standards is a risk factor for respiratory symptoms in children with asthma.