PT - JOURNAL ARTICLE AU - T. Sjåheim AU - J. Kongerud AU - Ȗ. Bjørtuft AU - P.A. Drabløs AU - D. Malterud AU - T.S. Halstensen TI - Reduced bronchial CD4<sup>+</sup> T cell density in smokers with occupational asthma AID - 10.1183/09031936.06.00032906 DP - 2006 Aug 09 TA - European Respiratory Journal 4099 - http://erj.ersjournals.com/content/early/2006/08/09/09031936.06.00032906.short 4100 - http://erj.ersjournals.com/content/early/2006/08/09/09031936.06.00032906.full