Figueiredo, J. C., Levine, A. J., Grau, M. V., Midttun, O., Ueland, P. M., Ahnen, D. J., Barry, E. L., Tsang, S., Munroe, D., Ali, I., Haile, R. W., Sandler, R. S., and Baron, J. A. Vitamins B2, B6, and B12 and risk of new colorectal adenomas in a randomized trial of aspirin use and folic acid supplementation. Cancer Epidemiol Biomarkers Prev 2008;17(8):2136-2145.
View abstract.