TY - JOUR T1 - Multi-symptom asthma as an indication of disease severity in epidemiology JF - European Respiratory Journal JO - Eur Respir J DO - 10.1183/09031936.00143710 SP - erj01437-2010 AU - L. Ekerljung AU - A. Bossios AU - J. Lötvall AU - A-C. Olin AU - E. Rönmark AU - G. Wennergren AU - K. Torén AU - B. Lundbäck Y1 - 2011/01/01 UR - http://erj.ersjournals.com/content/early/2011/02/11/09031936.00143710.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -