AWMV - Saegerman,C.; Speybrock,N.; Vanopdenbosch,E.; Wilesmith,J.W.; Berkvens,D. - Trends in age at detection in bovine spongiform encephalopathy cases: a useful indicator of the epidemic curve in Belgium - International Conference - Prion 2006: Strategies, advances and trends towards protection of society - 3.10.-6.10.2006, Torino, Italy, Lingotto Conference Centre - Poster sessions EPI-24