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.
Tumor oxygenation (mean ± SD) in animals of each strain for measurements made at the beginning and the end of a one-hour period. Oxygen concentrations measured by phosphorescence lifetime monitoring. (N = 6 for each strain.)
