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EducationNutritionNutritional SciencesAgingGerontologyCognitive AgingCognitive DeclineCognitive HealthCognitive ImpairmentVitamin B12 DeficiencyVitamin BiochemistryB VitaminsCognitive PerformanceCognitive Performance AnalysisCognitive Performance ImpairmentCognitive Performance TestingHomocysteine ElevationMicronutrient Deficiencies In AgingVitamin B12 Status Biomarkers
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Marshal F. Folstein, Susan E. Folstein, Paul R. McHugh · Journal of Psychiatric Research · 1975 · 86.9K citations
The Metabolic Basis of Inherited Disease.
Annals of Internal Medicine · 1988 · 7.8K citations