1. Sykes, J.M. & Trupkiewicz, J.G. Reptile neoplasia at the Philadelphia Zoological Garden, 1901–2002. J. Zoo Wildl. Med. 37, 11–19 (2006).
2. Garner, M.M., Hernandez-Divers, S.M. & Raymond, J.T. Reptile neoplasia: a retrospective study of case submissions to a specialty diagnostic service. Vet. Clin. North Am. Exot. Anim. Pract. 7, 653–671 (2004).
3. Frye, F.L. Diagnosis and surgical treatment of reptilian neoplasms with a compilation of cases 1966–1993. In Vivo (Attiki) 8, 885–892 (1994).
4. Harshbarger, J.C. & Ippen, R. Reptile neoplasms from the Berlin Animal Park and Dresden Zoological Park in the Registry of Tumours in Lower Animals. in Proceedings of the 4th International Colloquium on Pathology of Reptiles and Amphibians 181–190 (German Veterinary Association, Giessen, Germany, 1991).
5. Machotka, S.V. et al. Report of dysgerminoma in the ovaries of a snapping turtle (Chelydra serpentina) with discussion of ovarian neoplasms reported in reptilians and women. In Vivo (Attiki) 6, 349–354 (1992).