RT Journal Article SR Electronic T1 Severe exacerbations predict excess lung function decline in asthma JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 452 OP 456 DO 10.1183/09031936.00165106 VO 30 IS 3 A1 T. R. Bai A1 J. M. Vonk A1 D. S. Postma A1 H. M. Boezen YR 2007 UL http://erj.ersjournals.com/content/30/3/452.abstract AB Markup server — Error Error There was a problem handling your request. Please try again in a few minutes, or contact us if you continue to experience this problem.