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.
Gas exchange and ventilatory responses for a representative subject during the test. From left to right, vertical dashed lines are aligned with the GET and RCP, respectively. Horizontal dashed lines are positioned at the nadir (top three panels) or apex (bottom panel) of data points.
