(Q51922448)
Statements
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Spirometric criteria for airway obstruction: Use percentage of FEV1/FVC ratio below the fifth percentile, not < 70%. (English)
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Karlman Wasserman
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James E Hansen
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Xing-Guo Sun
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1 February 2007
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1 reference
131
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349-355
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2
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Identifiers
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1 reference