Epigenetic modifications in an imprinting cluster are controlled by a hierarchy of DMRs suggesting long-range chromatin interactions
            Lopes, S.; Lewis, A.; Hajkova, R.; Dean, W.; Oswald, J.; Forne, T.; Murrell, A.; Constancia, M.; Bartolomei, M.; Walter, J.; Reik, W.
            
            Human Molecular Genetics             2003             / vol 12            / pages 295-305