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
2015 ◽
pp. 2127
◽
2019 ◽
Vol Volume 14
◽
pp. 1721-1737
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2020 ◽
Vol Volume 15
◽
pp. 2573-2581
2018 ◽
Vol 61
(10)
◽
pp. 802-814
◽