%0 Journal Article %A P.M. O'Byrne %A H.K. Reddel %A G. Eriksson %A O. Östlund %A S. Peterson %A M.R. Sears %A C. Jenkins %A M. Humbert %A R. Buhl %A T.W. Harrison %A S. Quirce %A E.D. Bateman %T Measuring asthma control: a comparison of three classification systems %D 2010 %R 10.1183/09031936.00124009 %J European Respiratory Journal %U https://erj.ersjournals.com/content/erj/early/2010/01/28/09031936.00124009.full.pdf