(Q35156015)
Statements
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Long-acting beta 2-adrenoceptor agonists or tiotropium bromide for patients with COPD: is combination therapy justified? (English)
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Trevor T Hansel
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Rachel C Tennant
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Edward M Erin
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Peter J Barnes
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1 June 2003
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3
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3
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270-276
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Identifiers
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