AXON - Hoffmann,C.; Keller,M.; Seidowski,D.; Eiden,M.; Ziegler,U.; Kaatz,M.; Rogers,R.; Hills,B.; Buschmann,A.; Groschup,M.H. - Studies on the Infectivity Distribution of BSE in the Gut of Pre-clinical Cattle for Definition of Specified Risk Material - International Conference - Prion 2007 (26.-28.9.2007) Edinburgh International Conference Centre, Edinburgh, Scotland, UK - Book of Abstracts: Epidemiology, Risk Assessment and Transmission P04.64