1. In "DNA Methylation: Molecular Biology and Biological Significance”;Adams,1993
2. Aniello, F., Locascio, A., Fucci, L., et al. (1996). GenBank. Z50183.
3. In "DNA Methylation: Molecular Biology and Biological Significance”;Antequera,1993
4. Number of CpG islands and genes in human and mouse.