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.
Bar graph of lesion volumes defined by T2 abnormality at 1 hour, 3 hours, 2, 7, and 14 days post traumatic brain injury (mean±s.e.m., n=8, * P<0.05, ** P<0.01, *** P<0.001). Lesion volumes were determined as pixels that had T2 values higher than the mean plus 2 s.d. of the value in the homologous contralesional region.
