(Q43450208)
Statements
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How often is diagnosis of COPD confirmed with spirometry? (English)
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Christer Janson
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Mats Arne
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Karin Lisspers
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Björn Ställberg
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Gunnar Boman
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Hans Hedenström
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Margareta Emtner
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1 April 2010
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104
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4
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550-556
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Identifiers
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