An official website of the United States government
Here's how you know
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.
Sum of the pixels in the reconstructed Tl variance images plotted versus left ventricle contrast ratio. Plotting versus contrast instead of iteration helps ensure a meaningful comparison can be made.