Saetta, AA Michalopoulos, NV Malamis, G Papanastasiou, PI and Mazmanian, N Karlou, M Kouzoupis, A Korkolopoulou, P and Patsouris, E, Analysis of PRNP gene codon 129 polymorphism in the Greek population, European Journal of Epidemiology, (21), 211-215, 2006, Springer-Verlag, 0393-2990, 1573-7284