A longitudinal, retrospective cohort study on the impact of roflumilast on exacerbations and economic burden among chronic obstructive pulmonary disease patients in the real world.

MLA

Wan, Yin, et al. “A Longitudinal, Retrospective Cohort Study on the Impact of Roflumilast on Exacerbations and Economic Burden among Chronic Obstructive Pulmonary Disease Patients in the Real World.” International Journal of Chronic Obstructive Pulmonary Disease, vol. 10, Oct. 2015, pp. 2127–36. EBSCOhost, https://doi.org/10.2147/COPD.S80106.

APA

Wan, Y., Sun, S. X., Corman, S., Huang, X., Gao, X., & Shorr, A. F. (2015). A longitudinal, retrospective cohort study on the impact of roflumilast on exacerbations and economic burden among chronic obstructive pulmonary disease patients in the real world. International Journal of Chronic Obstructive Pulmonary Disease, 10, 2127–2136. https://doi.org/10.2147/COPD.S80106

Chicago

Wan, Yin, Shawn X Sun, Shelby Corman, Xingyue Huang, Xin Gao, and Andrew F Shorr. 2015. “A Longitudinal, Retrospective Cohort Study on the Impact of Roflumilast on Exacerbations and Economic Burden among Chronic Obstructive Pulmonary Disease Patients in the Real World.” International Journal of Chronic Obstructive Pulmonary Disease 10 (October): 2127–36. doi:10.2147/COPD.S80106.