Fig.2.
Overlaid histograms of absolute change in ejection fraction (EF) for ADRB1 Arg389 homozygotes (dark gray columns) vs Arg389 carriers (white columns). Light gray columns indicate overlapping data.
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.