An economic assessment of inhaled formoterol dry powder versus ipratropium bromide pressurized metered dose inhaler in the treatment of chronic obstructive pulmonary disease
2003 ◽
Vol 25
(1)
◽
pp. 285-297
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2002 ◽
Vol 24
(4)
◽
pp. 595-604
◽
2008 ◽
Vol 134
(4)
◽
pp. 103P
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