Robertson, J., Iemolo, F., Stabler, S. P., Allen, R. H., & Spence, J. D. (2005). Vitamin B(12), homocysteine and carotid plaque in the era of folic acid fortification of enriched cereal grain products. Canadian Medical Association.

Robertson, Julie, Francesco Iemolo, Sally P. Stabler, Robert H. Allen, und J. David Spence. Vitamin B(12), Homocysteine and Carotid Plaque in the Era of Folic Acid Fortification of Enriched Cereal Grain Products. Canadian Medical Association, 2005.

Robertson, Julie, et al. Vitamin B(12), Homocysteine and Carotid Plaque in the Era of Folic Acid Fortification of Enriched Cereal Grain Products. Canadian Medical Association, 2005.