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.
(a) Right-left and (b) anterior-posterior profiles from scattered beam delivery analysis. Images show film measurement and institution calculated results, with emphasis on the distance-to-agreement analysis that was conducted by averaging the agreement at the 75%, 50%, and 25% isodose lines.
