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.
Night-time plasma cortisol performed one time on patients with Cushing’s syndrome (a) and patients determined not to have Cushing’s syndrome (b). Blue line indicates upper limit of normal of 7.5 µg/dl (207 nmol/d) [22]. Male subjects are in open diamonds and appear on the right.
