Influence of motor symptoms upon the quality of life of patients with Parkinson's disease

1. Gómez-Esteban, J.C.
2. Zarranz, J.J.
3. Lezcano, E.
4. Tijero, B.
5. Luna, A.
6. Velasco, F.
7. Rouco, I.
8. Garamendi, I.