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.
Left. Search process for trials comparing BP treatment goals. These 5 trials were included in the primary analysis. Right. Results of contact of investigators of BP trials, leading to the identification of the 4 placebo-controlled trials included in secondary analyses. BP = blood pressure.
