RT Journal Article SR Electronic T1 Differences in asthma control and lung function in relation to allergic status JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 1802102 DO 10.1183/13993003.02102-2018 VO 53 IS 6 A1 Chris RuiWen Kuo A1 Brian Lipworth YR 2019 UL http://erj.ersjournals.com/content/53/6/1802102.abstract AB