The H19 differentially methylated region marks the parental origin of a heterologous locus without gametic DNA methylation.
Park KY, Sellars EA, Grinberg A, Huang SP, Pfeifer K. The H19 differentially methylated region marks the parental origin of a heterologous locus without gametic DNA methylation. Mol Cell Biol. 2004 May; 24(9):3588-95.