RT Book, Whole SR Electronic A2 Nava, S. A2 Welte, T. T1 Respiratory Emergencies YR 2006 SN 978-1-904097-84-6 DO 10.1183/1025448x.erm3606 OP 269 UL https://books.ersjournals.com/content/9781904097846/9781904097846