Fig. 1.
Distribution of serum osteocalcin levels in 4 different groups of menopausal status. *, P=0.001 vs. the 35-45 yr age-group.
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.