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.
Calculated percentage error in the concentration estimation, ɛrel (%), as a function of the concentration, Ct, plotted for different tissues (A); flip angles, αb (B); post-contrast measurements, N (C); and number of baseline pre-contrast measurements, Nb (D).
