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Parkinson's Disease
Headache
Migraine Disorders
Cognition Disorders
Tremor
Headache Disorders, Primary
Magnetic Resonance Imaging
Treatment Outcome
Psychiatric Status Rating Scales
Statistics, Nonparametric
Neuropsychological Tests
Severity of Illness Index
Antiparkinson Agents
Levodopa
Brain
Diagnosis, Differential
Cytogenetic Analysis
Case Control Studies
Psychomotor Performance
Decision Making
Co-Publications
50
18
17
15
11
10
8
6
5
3
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