RT Journal Article SR Electronic T1 Lung elastic recoil and ventilation heterogeneity of diffusion-dependent airways in older people with asthma and fixed airflow obstruction JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 1801028 DO 10.1183/13993003.01028-2018 A1 Katrina O. Tonga A1 Norbert Berend A1 Cindy Thamrin A1 Claude S. Farah A1 Kanika Jetmalani A1 David G. Chapman A1 Gregory G. King YR 2018 UL http://erj.ersjournals.com/content/early/2018/12/14/13993003.01028-2018.abstract AB