Original Contribution Methylenetetrahydrofolate Reductase C677T Polymorphism and Cognitive Function in Older Women

1 Department of Neurology, School of Medicine, University of California, San Francisco, San Francisco, CA. 2 Department of Epidemiology and Biostatistics, School of Medicine, University of California, San Francisco, San Francisco, CA. 3 Department of Medicine, School of Medicine, University of California, San Francisco, San Francisco, CA. 4 Department of Medicine, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA. 5 Department of Epidemiology, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, PA. 6 Department of Psychiatry, School of Medicine, University of California, San Francisco, San Francisco, CA.