RT Journal Article SR Electronic T1 Had it happened without Christmas? Thoracic emphysema and Allergic Bronchopulmonary Aspergillosis in a juvenile CF-patient with G551D receiving ivacaftor JF ERJ Open Research JO erjor FD European Respiratory Society SP 00758-2020 DO 10.1183/23120541.00758-2020 A1 Jochen G. Mainz A1 Nina Erdmann A1 Franziska Duckstein A1 Carlos Zagoya YR 2021 UL http://openres.ersjournals.com/content/early/2021/03/18/23120541.00758-2020.abstract AB