Annals of Internal Medicine · 1998 · 764 citations · 42 references
Long-term use of multivitamins may substantially reduce risk for colon cancer. This effect may be related to the folic acid contained in multivitamins.
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Benjamin C. Blount, M. M. Mack, Carol M. Wehr et al. · Proceedings of the National Academy of Sciences · 1997 · 1.4K citations
Hypomethylation of DNA from Benign and Malignant Human Colon Neoplasms
Susan Goelz, Bert Vogelstein, Stanley R. Hamilton et al. · Science · 1985 · 836 citations