No H- and L-type cases in Belgium in cattle diagnosed with bovine spongiform encephalopathy (1999-2008) aging seven years and older., Dobly, Alexandre, Langeveld Jan, van Keulen Lucien, Rodeghiero Caroline, Durand Stéphanie, Geeroms Riet, Van Muylem Patrick, De Sloovere Jessica, Vanopdenbosch Emmanuel, and Roels S. , BMC Vet Res, 2010 May 21, Volume 6, p.26, (2010)