Honda, H., Fujita, Y., Kasamatsu, T., Fuchs, A., Fautz, R., & Morita, O. Necessity for retrospective evaluation of past-positive chemicals in in vitro chromosomal aberration tests using recommended cytotoxicity indices. Genes and Environment : The Official Journal of the Japanese Environmental Mutagen Society, 40, 2. https://doi.org/10.1186/s41021-017-0091-y (Original work published 2018)