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In a severe asthma cohort of 1007 patients, high FENO was associated with chronic rhinosinusitis/polyps, later asthma onset, poor lung function and asthma control, low quality of life, frequent exacerbations and the need for maintenance OCS. #GANregistry https://bit.ly/3sNrtIQ
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Bal et al. (2022) studied this question.
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