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.
The arrows indicate initiation of T2 treatment. Although the standard error for each data point is less than 2%, these bars were omitted for a better representation.
