RT Journal Article SR Electronic T1 Air pollution exposure and IPF: prevention when there is no cure JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 103 OP 104 DO 10.1136/thoraxjnl-2017-210808 VO 73 IS 2 A1 Kerri A Johannson YR 2018 UL http://thorax.bmj.com/content/73/2/103.abstract AB