RT Journal Article
SR Electronic
T1 ANSWER
JF Thorax
JO Thorax
FD BMJ Publishing Group Ltd and British Thoracic Society
SP 586
OP 586
DO 10.1136/thx.2008.105353a
VO 64
IS 7
YR 2009
UL http://thorax.bmj.com/content/64/7/586.abstract
AB