RT Journal Article SR Electronic T1 Asthma and COVID-19: do we finally have answers? JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 2004451 DO 10.1183/13993003.04451-2020 A1 Katrien Eger A1 Elisabeth H. Bel YR 2020 UL http://erj.ersjournals.com/content/early/2020/12/24/13993003.04451-2020.abstract AB