1. European Commission in Oral Exposure of Humans to the BSE Agent: Infective Dose and Species Barrier 31 (Scientific Steering Committee meeting, 13–14 April 2000).
2. Moynagh, J. & Schimmel, H. Nature 400, 105 (1999).
3. European Commission The Evaluation of Tests for the Diagnosis of Transmissible Spongiform Encephalopathy in Bovines (
http://europa.eu.int/comm/food/fs/bse/bse12_en.html
).
4. Grassi, J. et al. Arch. Virol. 16 (suppl.), 197–205 (2000).
5. Wells, G. A. H. et al. Vet. Rec. 142, 103–106 (1998).