http://www.sciencedaily.com/releases/2009/03/090303123812.htm
ScienceDaily (2009-03-05) — Scientists at the American Association of Physicists in Medicine are offering additional background information to help the public avoid misinterpreting the findings contained in a report issued today by the National Council on Radiation Protection and Measurements (NCRP), a non-profit body chartered by the US Congress to make recommendations on radiation protection and measurements. The report is not without scientific controversy and requires careful interpretation.
