O.  Nishimura, Hosoda, K., Kawaguchi, E., Yazawa, S., Hayashi, T., Inoue, T., Umesono, Y., and Agata, K., ?Unusually Large Number of Mutations in Asexually Reproducing Clonal Planarian Dugesia japonica?, PLoS ONE, vol. 10, no. 11, p. e0143525, 2015.