Comparison of peak inspiratory flow rate via the Breezhaler®, Ellipta® and HandiHaler® dry powder inhalers in patients with moderate to very severe COPD: a randomized cross-over trial
2001 ◽
Vol 18
(5)
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pp. 780-783
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2008 ◽
Vol 25
(1)
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pp. 1-9
2019 ◽
Vol 6
(4)
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pp. 321-331
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2014 ◽
Vol 27
(2)
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pp. 103-109
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Keyword(s):
2017 ◽
Vol 30
(6)
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pp. 381-387
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2013 ◽
Vol 26
(3)
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pp. 174-179
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2016 ◽
Vol 34
(3)
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pp. 507-528
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Keyword(s):