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.
Mean ± SEM blood Pb (BPb) levels on P29. No effects of chronic stress were found. ***p < 0.001 vs. vehicle control; +++p < 0.001 vs. 1 mg/kg Pb; ###p < 0.001 vs. 10 mg/kg Pb.