Efficacy of Folic Acid Supplementation in Stroke Prevention: A Meta-AnalysisLancet 369:1876-1882,1841, Wang,X.,et al, 2007
Dietary Flavonoids, Antioxidant Vitamins, and Incidence of StrokeArch Int Med 154:637-642, Keli,S.O.,et al, 1996