An official website of the United States government
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.
 Image Number D1807-11 |
Technician Ivor Asztalos (front, left) runs an immunoassay on plasma samples from the Framingham Heart Study. Assay results are being reviewed by postdoctoral fellow Thomas van Himbergen (center) and Ernst Schaefer.
Photo by Stephen Ausmus.
