Parkinson's disease (3) Instruction and study (2) Symptomatic Parkinson's disease (2) Practice (2) Patients (2) Parkinson, Enfermedad de (2) Parkinson, Maladie de (2) Pratique (2) puits (1) tendance (1) temps (durée) (1) maladie (1) discours (1) procès (1) taux (1) Deterioration (1) Treatment (1) Complications (1) Communication (1) Mental representation (1) Walking (1) Time (1) Therapeutics (1) Theater (1) Speech (1) Science (1) Reality (1) Possibility (1) Perspective (1) Patients (1)