Source: Virtual Congress 2021 – Lung function testing in the management of obstructive diseases



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J. Wilkinson (Los Angeles, United States of America), I. Barjaktarevic (Los Angeles, United States of America), H. Wilhalme (Los Angeles, United States of America), C. Cooper (Los Angeles, United States of America), D. Tashkin (Los Angeles, United States of America). Duration and frequency of spirometry needed to accurately reflect longitudinal change of FEV1 in COPD. 1857

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