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.
Top panels, adrenocorticotropin (ACTH); middle panels, cortisol; and bottom panels, arginine vasopressin (AVP). Oestradiol-treated groups are represented by filled symbols and placebo-treated groups are represented by open symbols. The 10 min period of brachiocephalic occlusion (BCO) is represented by the hatched area. Data are presented as means ±s.e.m.
