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.
Temporal standard deviation (SD) of 2D VSASL labeled signal time series in an ROI drawn within the placenta, with cutoff velocity of 2 cm/s, 4cm/s and infinity. No significant difference was present between the three cutoff velocities, confirming that contribution of subject motion to VSASL signal was not significant.
