PT - JOURNAL ARTICLE AU - Calverley, P M A TI - Caring for the burden of COPD AID - 10.1136/thx.2006.060855 DP - 2006 Oct 01 TA - Thorax PG - 831--832 VI - 61 IP - 10 4099 - http://thorax.bmj.com/content/61/10/831.1.short 4100 - http://thorax.bmj.com/content/61/10/831.1.full SO - Thorax2006 Oct 01; 61