RT Book, Whole SR Electronic A2 Burgel, Pierre-Régis A2 Contoli, Marco A2 López-Campos, José Luis T1 Acute Exacerbations of Pulmonary Diseases YR 2017 SN 978-1-84984-090-3 DO 10.1183/2312508X.erm7717 OP 258 UL https://books.ersjournals.com/content/9781849840903/9781849840903