Cite
MLA Citation
R Dahl et al.. “P190 QVA149 Once Daily Provides Significant Improvements in Lung Function Over 1 Year in Patients with COPD: The Enlighten Study.” Thorax, vol. 67, n.d., pp. A146–A147. http://access.bl.uk/ark:/81055/vdc_100144716256.0x000036