Figure 1.
Kaplan–Meier method estimates of overall survival in recurrent and metastatic squamous cell carcinoma of the head and neck on treatment
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.