@misc{9056, author = {Y. Punekar and S. Landis and K. Wurst and H. Le}, title = {Characteristics, disease burden and costs of COPD patients in the two years following initiation of long-acting bronchodilators in UK primary care}, year = {2015}, journal = {Respir Res}, volume = {16}, pages = {141}, issn = {1465-9921}, doi = {10.1186/s12931-015-0295-2}, }