PT  - JOURNAL ARTICLE
ED  - ,
TI  - ANSWER
AID  - 10.1136/thx.2008.100503a
DP  - 2009 Apr 01
TA  - Thorax
PG  - 364--364
VI  - 64
IP  - 4
4099  - http://thorax.bmj.com/content/64/4/364.short
4100  - http://thorax.bmj.com/content/64/4/364.full
SO  - Thorax2009 Apr 01; 64