Respiratory symptoms increase health care consumption and affect everyday life - a cross-sectional population-based study from Finland, Estonia, and Sweden.

Eur Clin Respir J · 2016 · PMC4884682 · PMID 27238359

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a decreasing trendno p-value reported

Population-based studies in the capitals of Sweden and Finland have shown that the prevalence of respiratory symptoms have remained on a similar level between 1996 and 2007 ( 7 , 8 ), whilst a decreasing trend was observed in northern Sweden ( 9 ).

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