Figure 7.
Comparison of difference in means of 6-min walking distance between ivabradine + beta-blocker vs beta-blocker alone. BB: Beta blockers.
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.