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.
When our system detects that search results by Best Match could be helpful to our users, a Best Match banner is displayed on top of the regular search results (a). A user can click title(s) to view the article abstract (as shown in (b)) or click on the Switch button see complete results returned by Best Match (as shown in (c)).
