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.
Initial rates of rise (slopes) of concentrations of total [top] and free [bottom] IGF-I concentrations over time during saline and rh IGF-I infusion in men and women pretreated with placebo (Pl), testosterone (Te) and estradiol (E2). Statistical representations are described in Figure 1.
