Intraindividual variation and effect of learning in lung function examinations. A population study.

Abstract excerpt

The aims of this study were to analyse the influence of co-operation and instruction on inter-and intraindividual variations of normal lung function and to provide reference values for intraindividual variation. A sample of 125 non-smokers (age 30-70 yr) representative of the population of Copenhagen were studied with spirometry, complete and partial flow-volume curves, nitrogen washout volume, volume of trapped...

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