• Respiratory symptoms and mortality in four general population cohorts over 45 years 

      Gulsvik, Amund; Bakke, Per; Brøgger, Jan; Nielsen, Rune; Stavem, Knut (Journal article; Peer reviewed, 2020)
      Objective: This study assessed the association between respiratory symptoms and mortality in four cohorts of the general population in Norway aged 15–75 years and in selected subgroups in the pooled sample. Methods: The ...