The significance of motor (A)symmetry in Parkinson's disease

Demographic and motor features associated with the occurrence of neuropsychiatric and sleep complications of Parkinson's disease

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Age at onset: the major determinant of outcome in Parkinson's disease

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Factors influencing the symmetry of Parkinson's disease symptoms

(2010) Juan Carlos Gómez-Esteban et al.   CLINICAL NEUROLOGY AND NEUROSURGERY

Progression from Unilateral to Bilateral Parkinsonism in Early Parkinson Disease: Implication of Mesocortical Dopamine Dysfunction by PET

(2010) S. Yagi et al.   JOURNAL OF NUCLEAR MEDICINE

Longitudinal progression of sporadic Parkinson's disease: a multi-tracer positron emission tomography study

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Incidence of and risk factors for cognitive impairment in an early Parkinson disease clinical trial cohort

(2009) E. Y. Uc et al.   NEUROLOGY