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.
Time course of exhaled nitric oxide (FeNO) levels (median and interquartile range [IQR]). FeNO was measured on the day of admission in 9 out of 10 children and then in all 10 patients during the follow-up after acute chlorine inhalation. (Control values, 10.8 [8.9–12.2] ppb.)
