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.
Relative cell viability curves of J774A.1 macrophage-like cells induced with different concentrations of R.RBE and P.RBE over 24, 48 and 72 h respectively. Data are expressed as mean ± SEM (n = 3).