Rationale: In patients with severe asthma, neutrophils rather than eosinophils predominate in airways.Sialic acid-binding immunoglobulin-like lectin 9 (Sigl
Epidemiological studies have reported that elevated ambient particulate matter (PM) concentrations are associated with exacerbations of asthma.To determine
Background: Asthma is a heterogeneous airway disease, so it is crucial to clearly identify clinical phenotypes to achieve better asthma management.Objective