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.
Effect of Silastic implants of various sizes filled with testosterone on serum testosterone concentrations in male and female canaries (data pooled) at one or three weeks after implantation. There was a significant effect of capsule size (i.e. dose) on serum concentrations of testosterone (T). There was, however no effect of sex (i.e. males and females had equivalent levels of T in serum) and of the duration of implantation (week).
