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.
Note: Not all results of the unpublished studies are presented at study level, because we did not have permission of the investigators to do so. BDI = Beck Depression Inventory; HAMD = Hamilton Depression Rating Scale; PT = psychological treatment.
