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.
Cytotoxicity of lapatinib in A549 cells exposed to different concentrations (0.05, 0.5 and 5 μM) of the drug, for 24 h and 72 h. At the indicated time point, cell viability was measured by MTT, indicating that lapatinib significantly reduces A549 cell proliferation (**: P < 0.01; ***:P < 0.001).
