RT Book, Whole SR Electronic A2 Siafakas, N.M. T1 Management of Chronic Obstructive Pulmonary Disease YR 2006 SN 978-1-904097-82-2 DO 10.1183/1025448x.erm3806 OP 485 UL https://books.ersjournals.com/content/9781904097822/9781904097822