ATCN - Giovannini,A.; Savini,L.; Conte,A.; Fiore,G.L. - Comparison of BSE prevalence estimates from EU countries for the period July to December 2001 to the OIE and EU GBR classifications - Journal of Veterinary Medicine. Series B, Infectious Diseases and Veterinary Public Health 2005 Aug; 52(6): 262-71