Analysis of chronic obstructive pulmonary disease exacerbations with the dual bronchodilator QVA149 compared with glycopyrronium and tiotropium (SPARK): a randomised, double-blind, parallel-group study
2013 ◽
Vol 1
(3)
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pp. 199-209
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2013 ◽
Vol 1
(1)
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pp. 51-60
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2005 ◽
Vol 27
(5)
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pp. 531-542
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2019 ◽
Vol 200
(5)
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pp. 642-645
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2013 ◽
Vol 1
(7)
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pp. 524-533
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2014 ◽
Vol 2
(4)
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pp. 293-300
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2018 ◽