Fig 4. Forest plot representing the meta-analysis of BDNF gene Val66Met polymorphism in fibromyalgia patients compared to controls.
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.