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"B vitamins in patients with recent transient ischaemic attack or stroke in the VITAmins TO Prevent Stroke (VITATOPS) trial: a randomised, double-blind, parallel, placebo-controlled trial". The Lancet Neurology9 (9): 855–865. 2010. doi:10.1016/S1474-4422(10)70187-3.
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Coen DA Stehouwer, Coen van Guldener (2001). "Homocysteine-lowering treatment: an overview". Expert Opinion on Pharmacotherapy2 (9): 1449–1460. PMID11585023. doi:10.1517/14656566.2.9.1449.
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Smach MA, Jacob N, Golmard JL; Smach MA, Jacob N, Golmard JL, Charfeddine B, Lammouchi T, Ben Othman L, Dridi H, Bennamou S, Limem K.; et al. (2011). "Folate and homocysteine in the cerebrospinal fluid of patients with Alzheimer's disease or dementia: a case control study.". European Neurology65 (5): 270–8. PMID21474939. doi:10.1159/000326301.
Legal note: Metabolite Laboratories is defending a patent as of March 2006 that may cover the mere mention or consideration of the relationship of vitamin B12 and homocysteine levels. Ver Crichton, Michael (19 de marzo de 2006). "This Essay Breaks the Law". The New York Times (The New York Times Company). Consultado o 2006-03-20.