Volume 12, Number 12—December 2006
Perspective
On the Question of Sporadic or Atypical Bovine Spongiform Encephalopathy and Creutzfeldt-Jakob Disease
Figure 2

Figure 2. Maximum prevalence according to number of negative cattle at 95% (solid line) and 99% (dashed line) confidence levels. See Table 1 for exact numbers and statistical method.