Geyer, KK, Chalmers, IW, MacKintosh, ND, Hirst, JE, Geoghegan, R, Badets, M, Brophy, PM, Brehm, K & Hoffmann, KF 2013, 'Cytosine methylation is a conserved epigenetic feature found throughout the phylum Platyhelminthes', BMC Genomics, vol. 14, no. 1, 462. 10.1186/1471-2164-14-462