Donovan, P. ., Smith, G. ., Riggs, C. ., & Alexandrov, V. . Effects of glucose on cloning efficiency and mutagenesis of fetal rat cells. Teratogenesis, Carcinogenesis, and Mutagenesis, 22(5), 329-34. https://doi.org/10.1002/tcm.10027 (Original work published 2002)

Donovan, P. ., Smith, G. ., & Riggs, C. . (2001). Hamster and rat fetal cells have low spontaneous mutation frequencies and rates. Mutation Research, 478(1-2), 51-63. https://doi.org/10.1016/s0027-5107(01)00107-5 (Original work published 2001)