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.
Pretest and posttest levels of brain derived neurotrophic factor (BDNF) in the groups. *Significant difference compared to pretest (P < .05). **Significant difference compared to pretest (P < .01). #Significant differences between groups in BDNF (P < .05).
