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BackgroundThere are limited data assessing the predictive value of fraction of exhaled nitric oxide (FENO) for persistence of wheezing, exacerbations, or lung function change over time in infants/toddlers with recurrent wheezing.
ObjectivesIn an ongoing longitudinal cohort of infants and toddlers with recurrent wheezing, we compared predictive values of single‐breath FENO (SB‐FENO), tidal‐breathing...
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