TY - STAND AU - S. Landis AU - K. Wurst AU - H. Le AU - K. Bonar AU - Y. Punekar BT - Copd DO - 10.1080/15412555.2016.1240159 M1 - 1 PY - 2017 SP - 80 EP - 85 T2 - Copd TI - Can Assessment of Disease Burden Prior to Changes in Initial COPD Maintenance Treatment Provide Insight into Remaining Unmet Needs? A Retrospective Database Study in UK Primary Care VL - 14 SN - 1541-2563 ER -