Fractional exhaled nitric oxide and mortality in asthma and chronic obstructive pulmonary disease in a national cohort aged 40 years and older.
Ikwu I, Nicolas LG, Mehari A, Gillum RF. Fractional exhaled nitric oxide and mortality in asthma and chronic obstructive pulmonary disease in a national cohort aged 40 years and older. Respir Med. 2022 07; 198:106879.