(Q51137433)
Statements
A 20-year follow-up of a population study-based COPD cohort-report from the obstructive lung disease in Northern Sweden studies. (English)
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Eva Rönmark
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Bo Lundbäck
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Berne Eriksson
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Linda Ekerljung
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Lars-Gunnar Larsson
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1 August 2009
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6
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4
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263-271
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