Fig. 2.
Clinical application and interpretation of FeNO levels in pediatric asthma. FeNO, fractional exhaled nitric oxide; EAI, eosinophilic airway inflammation; ICS, inhaled corticosteroids.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.