RT Journal Article SR Electronic T1 Occupational exposures and asthma–COPD overlap in a clinical cohort of adult-onset asthma JF ERJ Open Research JO erjor FD European Respiratory Society SP 00191-2019 DO 10.1183/23120541.00191-2019 VO 5 IS 4 A1 Minna Tommola A1 Pinja Ilmarinen A1 Leena E. Tuomisto A1 Lauri Lehtimäki A1 Hannu Kankaanranta YR 2019 UL http://openres.ersjournals.com/content/5/4/00191-2019.abstract AB