RT Journal Article
SR Electronic
T1 Author's response
JF Thorax
JO Thorax
FD BMJ Publishing Group Ltd and British Thoracic Society
SP 633
OP 633
DO 10.1136/thx.2010.148577
VO 66
IS 7
A1 Gelb, Arthur Franklin
YR 2011
UL http://thorax.bmj.com/content/66/7/633.1.abstract
AB