ANXN - Del Bo,R.; Comi,G.P.; Giorda,R.; Crimi,M.; Locatelli,F.; Martinelli-Boneschi,F.; Pozzoli,U.; Castelli,E.; Bresolin,N.; Scarlato,G. - The 129 codon polymorphism of the prion protein gene influences earlier cognitive performance in Down syndrome subjects - Journal of Neurology. Zeitschrift für Neurologie 2003 Jun; 250(6): 688-92