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.
Examples of coronal CTN phantom slices. (a) Scan using 6 min per bed position with 4:1 activity ratio. (b) Scan with 1 min per bed position with 2:1 activity ratio. (c) Attenuation‐correction CT image for the same slice in (b). Note that insert walls cannot be detected in the CT image.
