Figure 9.
shown is the coefficient of variation (CV) for expiratory time (Te) before and after spontaneous pauses in each other strains. White bar represents CVs for Te before pause. Gray bar represents CVs for after pause. Values are mean ± SD.
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.