Fig 4. Research footprint for the baseline group.
Source: Thomson Reuters, Web of Science (Science Citation Index Expanded), compiled by UNESCO, (UNESCO, 2010).
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.