From Citizendium, the Citizens' Compendium
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- Mad Cow Disease Information from the Center for Global Food Issues.
- The Pathological Protein - Mad Cow, Chronic Wasting, and Other Deadly Prion Diseases (2003, updated online 2005) Philip Yam, Scientific American magazine writer and News Editor
- Prion Diseases (2003) Dr. Sean Heaphy, Leicester University
- Prion Diseases and the BSE Crisis (1997). Article from Science magazine by Stanley Prusiner, discoverer of prions.
- Britannica Nobel: prion, 1997