RT Book, Whole SR Electronic A2 Torres, A. A2 Ewig, S. T1 Nosocomial and Ventilator-Associated Pneumonia YR 2011 SN 978-1-84984-016-3 DO 10.1183/1025448x.erm5310 OP 168 UL https://books.ersjournals.com/content/9781849840163/9781849840163