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.
Structure–clearance values for representative BTA analogs from normal mice brain. Values are the ratio of the %ID/g concentrations in mouse brain at 2 minutes after injection to the %ID/g concentrations at 30 minutes after injection.