Comparative Effectiveness of Long-Acting Beta2-Agonist Combined with a Long-Acting Muscarinic Antagonist or Inhaled Corticosteroid in Chronic Obstructive Pulmonary Disease
2017 ◽
Vol 37
(4)
◽
pp. 447-455
◽
2018 ◽
Vol 30
(1)
◽
pp. 1-9
2016 ◽
Vol 14
(5)
◽
pp. 579-594
◽