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.
Frontal views following 3D rendering of (a) UFH-NURBS 15-year-old male phantom and (b) UFH-NURBS 15-year-old female phantom. Body contours are made transparent for better viewing internal organs and the skeleton.