Figure 3.
(A) The ‘References’ tab of QuickSearch, with several criteria entered as search terms. (B) The Reference Report for one of the resulting hits.
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.