TY - STAND AU - Y. Punekar AU - S. Landis AU - K. Wurst AU - H. Le BT - Respir Res DO - 10.1186/s12931-015-0295-2 PY - 2015 EP - 141 T2 - Respir Res TI - Characteristics, disease burden and costs of COPD patients in the two years following initiation of long-acting bronchodilators in UK primary care VL - 16 SN - 1465-9921 ER -