AFGI - Head,M.W.; Tissingh,G.; Uitdehaag,B.M.J.; Barkhof,F.; Bunn,T.J.R.; Ironside,J.W.; Kamphorst,W.; Scheltens,P. - Sporadic Creutzfeldt-Jakob disease in a young Dutch valine homozygote: atypical molecular phenotype. - Annals of Neurology 2001 Aug; 50(2): 258-61