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.
Sample images. Shows a healthy control (subject 4, top row), and a patient with Alzheimer’s disease (subject 19, middle row), with normal-dose images to the left and low-dose images to the right. The bottom row shows normal- and ultra-low-dose images from a healthy control (subject 10). Images are produced with VOIager, using Sokoloff color scheme.
