An official website of the United States government
Here's how you know
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.
(a) Tumor cell (live and dead) and macrophage densities at day 7, when the tumor radius is 0.207 cm. (b) Tumor cell and macrophage densities at day 14, when the tumor radius is 0.41 cm. (c) Average cell densities over time.