Figure 1.
Overall survival curves generated by the Kaplan-Meier method according to quartiles for VEGF, PDGF-BB, and FGF2.
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.