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.
Optical densities after tyrosine hydroxylase (TH)-specific immunohistochemical staining in the striatum. MPTP reduces the optical density in the striatum, whereas electroacupuncture stimulation at GB34 and GB39 prevents this reduction. Scale bar 200 µm, and data were presented as mean ± SEM. **P < 0.01, compared with the MPTP group
