<p><b>Copyright information:</b></p><p>Taken from "Exhaled Nitric Oxide in Children with Asthma and Short-Term PM Exposure in Seattle"</p><p>Environmental Health Perspectives 2005;113(12):1791-1794.</p><p>Published online 8 Aug 2005</p><p>PMCID:PMC1314923.</p><p>This is an Open Access article: verbatim copying and redistribution of this article are permitted in all media for any purpose, provided this notice is preserved along with the article's original DOI.</p> TEOM readings averaged from three sites using GEE model. Error bars indicate 95% confidence intervals