(Q45801879)
Statements
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Effect of tiotropium vs. salmeterol on exacerbations: GOLD II and maintenance therapy naïve patients (English)
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Claus Vogelmeier
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Klaus F Rabe
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Kai-Michael Beeh
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Hendrik Schmidt
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Norbert Metzdorf
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Thomas Glaab
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26 October 2012
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107
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1
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75-83
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Identifiers
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