RT Journal Article SR Electronic T1 Introduction JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP S1 OP S2 DO 10.1136/thorax.55.suppl_2.S1 VO 55 IS suppl 2 A1 ALAN KNOX A1 ANDREW SZCZEKLIK A1 GIAMPIERO PATRIARCA YR 2000 UL http://thorax.bmj.com/content/55/suppl_2/S1.abstract AB