RT Journal Article SR Electronic T1 Authors' response JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 177 OP 177 DO 10.1136/thoraxjnl-2011-200913 VO 67 IS 2 A1 Nicolas Regamey A1 Peter K Jeffery A1 Eric W F W Alton A1 Andrew Bush A1 Jane C Davies YR 2012 UL http://thorax.bmj.com/content/67/2/177.2.abstract AB