Figure 1.
The PRISMA flow diagram showing the process of eligible studies search and selection. This meta-analysis identified 16 eligible studies that used circRNAs as biomarkers for tumor diagnosis.
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.