Massively parallel bisulphite pyrosequencing reveals the molecular complexity of breast cancer-associated cytosine-methylation patterns obtained from tissue and serum DNA - Korshunova, Yulia; Maloney, Rebecca K.; Lakey, Nathan; Citek, Robert W.; Bacher, Blaire; Budiman, Arief; Ordway, Jared M.; McCombie, W. Richard; Leon, Jorge; Jeddeloh, Jeffrey A.; McPherson, John D. (Genome Research, 2007)