Figure 2.
Regulatory approvals of first- and second-generation EGFR TKIs through the time. EGFR, epidermal growth factor receptor; TKI, tyrosine kinase inhibitor.
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.