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.
Particle statistics from hippocampus/corpus callosum scans.
| Sample | # Pb Particles | Particle # density (particles/mm2) | Total Mass Pb particles (× 10−15 g) | Mean Pb Particle Mass (× 10−15 g) | Mass-density (× 10−15 g/mm2) |
|---|---|---|---|---|---|
| Pb5-h | 18 | 111 | 13.3 | 0.738 | 82.6 |
| Pb7-h | 20 | 353 | 13.3 | 0.666 | 236 |
