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.
Periodical. National Institutes of Health (U.S.). [Issue of the NIH Record celebrating Donald S. Fredrickson]. NIH Record XXXIII, 14 (8 July 1981). Newsletter. 12 Images.. NIH Record