TY - JOUR T1 - Measuring asthma control: a comparison of three classification systems JF - European Respiratory Journal JO - Eur Respir J DO - 10.1183/09031936.00124009 AU - P.M. O'Byrne AU - H.K. Reddel AU - G. Eriksson AU - O. Östlund AU - S. Peterson AU - M.R. Sears AU - C. Jenkins AU - M. Humbert AU - R. Buhl AU - T.W. Harrison AU - S. Quirce AU - E.D. Bateman Y1 - 2010/01/28 UR - http://erj.ersjournals.com/content/early/2010/01/28/09031936.00124009.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -