Estimating the trend of the French BSE epidemic over six birth cohorts through the analysis of abattoir screening in 2001 and 2002Claude La Bonnardière, Didier Calavas, David Abrial, Eric Morignat and Christian DucrotVet. Res., 35 3 (2004) 299-308DOI: https://doi.org/10.1051/vetres:2004013