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.
Correlation analysis among the GERD, number of universities, number of researchers, and article number of different countries. The horizontal axis represents the log10 value of the number of articles published by the top 10 countries (the corresponding author's country). The vertical axis represents the country's GERD (log10), number of universities (log10), and number of researchers (log10).
