Airway resistance measured by the interrupter technique: normative data for 2-10 year olds of three ethnicities.


BACKGROUND AND AIMS The measurement of airway resistance using the interrupter technique (R(int)) is feasible in preschool children and other subjects unable to undertake spirometry. This makes it potentially useful for the measurement of lung function in these groups. Commercial devices use different algorithms to measure pressure and flow from which R(int… (More)


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