RT Journal Article
SR Electronic
T1 ANSWER
JF Thorax
JO Thorax
FD BMJ Publishing Group Ltd and British Thoracic Society
SP 364
OP 364
DO 10.1136/thx.2008.100503a
VO 64
IS 4
YR 2009
UL http://thorax.bmj.com/content/64/4/364.abstract
AB