Vitamin B12, homocysteine and carotid plaque in the era of folic acid fortification of enriched cereal grain products.
Robertson J, Iemolo F, Stabler SP, Allen RH, Spence JD. Vitamin B12, homocysteine and carotid plaque in the era of folic acid fortification of enriched cereal grain products. CMAJ. 2005 Jun 07; 172(12):1569-73.