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Homocysteine, Vitamin B12 and Folate Level: Possible Risk Factors in the Progression of Chronic Heart and Kidney Disorders PMC Folate metabolism disorder presenting as an opticospinal syndrome Practical Neurology Biomarkers and Algorithms for the Diagnosis of Vitamin B12 Deficiency PMC Frontiers Inherited and acquired vitamin B12 deficiencies: Which administration route to choose for supplementation? Methylenetetrahydrofolate (MTHFR), the One Carbon Cycle, and Cardiovascular Risks Homocysteine and MTHFR Mutations Circulation
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