Fig. 3.
(a) Fluoroscopic image of an X-ray test chart mounted on a phantom. (b) Fluoroscopic image of an X-ray test chart mounted on a phantom and an active HDR 192Ir source (arrow) beneath the phantom.
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.