ASWF - Brink,S.; Shute,N. - Is it safe? New beef rules aim to stop mad cow disease. But they may not be enough - and there's too much we don't know. - U.S. News & World Report 2004 Jan 12; 136(1): 16-21
APYH - Shute,N. - The good news about prions - U.S. News & World Report 2004 Jan 19; 136(2): 68