Cognitive Reserve in Parkinson's Disease without Dementia: β-Amyloid and Metabolic Assessment

1. Fernández-Rodríguez, B.
2. Rodríguez-Rojas, R.
3. Guida, P.
4. Angulo-Díaz-Parreño, S.
5. Trompeta, C.
6. Mata-Marín, D.
7. Obeso, I.
8. Vela, L.
9. Plaza de las Heras, I.
10. Obeso, J.A.
11. Gasca-Salas, C.