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.
Definition of the vector coordinates. Polar coordinate plane for the analysis of cerebral oxygenation and blood volume. The relationship between cerebral oxygen exchange (ΔCOE) and cerebral blood volume (ΔCBV) can be detected by vector trajectories.
