RT Journal Article SR Electronic T1 Authors' reply JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 262 OP 262 DO 10.1136/thx.2010.149682 VO 66 IS 3 A1 Fisher, Andrew J A1 Corris, Paul A YR 2011 UL http://thorax.bmj.com/content/66/3/262.1.abstract AB