Fig 1.
Kaplan-Meier curves of progression-free survival (PFS) from etoposide plus cisplatin (n = 64)
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.