<p><b>Copyright information:</b></p><p>Taken from "Systemic and local eosinophil inflammation during the birch pollen season in allergic patients with predominant rhinitis or asthma"</p><p>http://www.clinicalmolecularallergy.com/content/5/1/4</p><p>Clinical and molecular allergy : CMA 2007;5():4-4.</p><p>Published online 29 Oct 2007</p><p>PMCID:PMC2174506.</p><p></p>5%) at baseline