PT  - JOURNAL ARTICLE
AU  - M CAMPBELL HAGGERTY
TI  - COPD exacerbations
AID  - 10.1136/thx.56.9.740
DP  - 2001 Sep 01
TA  - Thorax
PG  - 740--740
VI  - 56
IP  - 9
4099  - http://thorax.bmj.com/content/56/9/740.1.short
4100  - http://thorax.bmj.com/content/56/9/740.1.full
SO  - Thorax2001 Sep 01; 56