Fig 1.
Comparison of plasma leptin concentrations measured with RIA (y axis) and ELISA (x axis) methods in lean, obese, and PWS subjects. Solid line. Linear regression line; dashed line, line of identity.
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.