RT Journal Article SR Electronic T1 Airwaves JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 845 OP 845 DO 10.1136/thorax-2022-219487 VO 77 IS 9 A1 Griffiths, Mark A1 O'Kane, Cecilia M A1 Quint, Jennifer K YR 2022 UL http://thorax.bmj.com/content/77/9/845.abstract AB