FIGURE 5.
The document analysis. (A) The top 10 most local cited documents. (B) The top 10 most global cited documents.
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.