PT - JOURNAL ARTICLE AU - MeiLan K Han TI - Medication adherence in COPD: what have we learned? AID - 10.1136/thx.2009.121806 DP - 2009 Nov 01 TA - Thorax PG - 922--923 VI - 64 IP - 11 4099 - http://thorax.bmj.com/content/64/11/922.short 4100 - http://thorax.bmj.com/content/64/11/922.full SO - Thorax2009 Nov 01; 64