RT Book, Whole SR Electronic A2 Drent, M. A2 Costabel, U. T1 Sarcoidosis (out of print) YR 2005 SN 978-1-904097-88-4 DO 10.1183/1025448x.erm3205 OP 351 UL https://books.ersjournals.com/content/9781904097884/9781904097884