Association of serum homocysteine, folate, and vitamin B₁₂ levels with cognitive function in levodopa-naïve patients with Parkinson's disease and mild cognitive impairment
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Introduction: The aim of this study was to examine changes in serum concentrations of total homocysteine (tHcy), folate, and vitamin B₁₂ (vit B₁₂) in levodopa-naïve patients with Parkinson's disease and mild cognitive impai... ...
