4.1. Analysis.
Comparison 4 Non‐platinum versus platinum combination therapy (with Zhang 2006), Outcome 1 1‐Year survival rate (with Zhang 2006).
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.