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    • Global Lung Function Initiative 2012 reference equations for spirometry in the Norwegian Population 

      Langhammer, Arnulf; Johannessen, Ane; Holmen, Turid Lingaas; Melbye, Hasse; Stanojevic, Sanja; Lund, May Brit; Melsom, Morten Nissen; Bakke, Per S.; Quanjer, Philip (Journal article; Tidsskriftartikkel; Peer reviewed, 2016-10-06)
      <b>Background:</b> We studied the fit of the Global Lung Function Initiative all-age reference values to Norwegians, compared them with currently used references (European Community for Steel and Coal (ECSC) and Zapletal) and estimated the prevalence of obstructive lung disease.<br> <b>Methods:</b> Spirometry data collected in 30,239 subjects (51.7% females) aged 12-90 years in three population-based ...