RT Journal Article
SR Electronic
T1 ANSWER
JF Thorax
JO Thorax
FD BMJ Publishing Group Ltd and British Thoracic Society
SP 1090
OP 1090
DO 10.1136/thx.2007.092650a
VO 63
IS 12
YR 2008
UL http://thorax.bmj.com/content/63/12/1090.abstract
AB