El Maarri, O., Olek, A., Balaban, B., Montag, M., Urman, B., Olek, K., Çağlayan, S.H., Walter, J., Oldenburg, J., “Equal Methylation of Human Male and Female Germ Cells Excludes Differential Methylation of CPG Sites as Major Force for Male Driven Evolution”, European Journal of Human Genetics, 6, 144-144, 1998.