RT Book, Whole SR Electronic A2 Strnad, Pavel A2 Brantly, Mark L. A2 Bals, Robert T1 α1-Antitrypsin Deficiency YR 2019 SN 978-1-84984-109-2 DO 10.1183/2312508X.erm8519 OP 208 UL https://books.ersjournals.com/content/9781849841092/9781849841092