Mohammed V Souissi University;
CHU Ibn Sina;
Neurology B and Neurogenetics Department;
Hopital des Specialites;
Rabat;
Morocco;
Mohammed V Souissi University;
Faculte de Medecine et de Pharmacie Rabat;
Centre de Recherche en Epidemiologie Clinique et Essais Therapeutiques(CRECET);
Rabat;
Morocco;
Vitamin E; Neurodegenerative Diseases; Ataxia with Vitamin E Deficiency;