Fig. 1.
A timeline of experiments following (A) acute MA injection while MA is 'on-board' (B) single MA injection (C) repeated MA injection after 1 day of abstinence (D) repeated MA injection after 30 days of abstinence.
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.