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.
Forest plot and pooled HR and 95% CI for PFS: chemotherapy plus EGFR-mAbs versus chemotherapy alone for advanced NSCLC. CI = confidence interval; EGFR = epidermal growth factor receptor; HR = hazard ratio; NSCLC = nonsmall cell lung cancer; PFS = progression-free survival.
