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.
Mean concentration during 24 hours of serum estradiol, testosterone and DHEAS in relation to chronological age and bone age (TW2) in healthy boys. Estradiol and testosterone values below the detection limits are set to the expected values of 2 pmol/L and 0.02 nmol/L, respectively, before calculation of mean value.
