Prevention of Exacerbations of Chronic Obstructive Pulmonary Disease with Tiotropium, a Once-Daily Inhaled Anticholinergic Bronchodilator: A Randomized Trial
2005 ◽
Vol 143
(5)
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pp. 317
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2004 ◽
Vol 5
(8)
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pp. 1827-1835
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2005 ◽
Vol 58
(5)
◽
pp. 498
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2017 ◽
Vol 34
(11)
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pp. 2518-2533
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2014 ◽
Vol 3
(1)
◽
pp. 44
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