Breast cancer DNA methylation profiles are associated with tumor size and alcohol and folate intake.
Christensen BC, Kelsey KT, Zheng S, Houseman EA, Marsit CJ, Wrensch MR, Wiemels JL, Nelson HH, Karagas MR, Kushi LH, et al. PLoS Genet. 2010 Jul 29; 6(7):e1001043. Epub 2010 Jul 29.