(Q45915556)
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Efficacy and tolerability of budesonide/formoterol added to tiotropium in patients with chronic obstructive pulmonary disease. (English)
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Tobias Welte
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Paul Hernandez
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Göran Eriksson
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Stefan Peterson
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Tomasz Polanowski
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Romain Kessler
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30 July 2009
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180
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8
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741-750
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