Figure 4.
European countries attractive for patients to seek participation in clinical trials: ranking per sub-region (A), ten countries most frequently selected by survey participants (B).
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.