Figure 9.
Kaplan-Meier curve of Overall survival of HPV− and HPV+ OPC by risk group according to Rietbergen et al. HPV, Human papillomavirus.
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.