Forced spirometry reference values for Norwegian adults: the Bronchial Obstruction in Nord-Trøndelag Study.

@article{Langhammer2001ForcedSR,
  title={Forced spirometry reference values for Norwegian adults: the Bronchial Obstruction in Nord-Tr{\o}ndelag Study.},
  author={Arnulf Langhammer and Roar Johnsen and Amund Gulsvik and Turid Lingaas Holmen and Leif H. Bjermer},
  journal={The European respiratory journal},
  year={2001},
  volume={18 5},
  pages={
          770-9
        }
}
The purpose of this study was to develop new prediction equations for flow/volume spirometry parameters in asymptomatic, never-smoking adults in Norway, and to assess any differences of these parameters when applying the new and most commonly used equation sets. Flow/volume spirometry was measured according to the American Thoracic Society criteria in 2,792 subjects aged > or = 20 yrs, randomly selected from participants in the Nord-Trøndelag Health Study. Ever-smokers and subjects with… 
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