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.
Graph compares the percentage of patients with subacute ischemic lesions on DWI and contrast-enhanced T1-weighted sequences in the subgroup of 28 patients in whom contrast-enhanced studies were obtained