A double-blind placebo-controlled study of the effect of inhaled beclomethasone dipropionate for 2 years in patients with nonasthmatic chronic obstructive pulmonary disease
1999 ◽
Vol 29
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pp. 125-128
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2016 ◽
Vol 36
(4)
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pp. 418-426
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2012 ◽
Vol 53
(3)
◽
pp. 238-244
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2012 ◽
Vol 19
(4)
◽
pp. 681-692
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2013 ◽
Vol 72
(OCE3)
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