RT Journal Article SR Electronic T1 Airway smooth muscle cells from severe asthma patients with fixed airflow obstruction are responsive to steroid and bronchodilator treatment in vitro JF ERJ Open Research JO erjor FD European Respiratory Society SP 00117-2021 DO 10.1183/23120541.00117-2021 VO 7 IS 2 A1 Sandra Rutting A1 Dia Xenaki A1 Karosham D. Reddy A1 Melissa Baraket A1 David G. Chapman A1 Gregory G. King A1 Brian G. Oliver A1 Katrina O. Tonga YR 2021 UL http://openres.ersjournals.com/content/7/2/00117-2021.abstract AB