Fundamental differences in promoter CpG island DNA hypermethylation between human cancer and genetically engineered mouse models of cancer. - Diede SJ; Yao Z; Keyes CC; Tyler AE; Dey J; Hackett CS; Elsaesser K; Kemp CJ; Neiman PE; Weiss WA; Olson JM; Tapscott SJ (Epigenetics, 2013)