Fractional exhaled nitric oxide and blood eosinophils in relation to lung function, allergy and nasal polyps in asthma. - Abohalaka R; Lehtimäki L; Ercan S; Lisik D; Özuygur Ermis SS; Ilmarinen P; Pullerits T; Backman H; Rådinger M; Nwaru BI; Kankaanranta H (The journal of allergy and clinical immunology. Global, 2026)