1. Bhattarai, S., Pokheral, C. P. and Lamichane, B. R. (2017). Death feigning behavior in Burmese Python Python bivittatus Kuhl, 1820 in Chitwan National Park. Russian Journal of Herpetology, 24 (4): 323–326.
2. Bhattarai, S., Pokheral, C. P., Lamichhane, B. R., Regmi, U. R., Ram, A. K. and Subedi, N. (2018). Amphibians and reptiles of Parsa National Park, Nepal. Amphibian and Reptile Conservation, 12 (1): 35–48 (e155).
3. Bhattarai, S., Lamichhane, B. R. and Subedi, N. (2020). Tail bifurcation in a Yellow-bellied House Gecko, Hemidactylus flaviridis Rüppel 1835 in Chitwan, Nepal. Reptiles and Amphibians, 27 (1): 48–49.
4. Da Silva, M-A.O., Bertelsen, M. F., Wang, T., Pedersen, M. Lauridsen, H. and Heegaard, S. (2015): Unilateral microphthalmia or anophthalmia in eight pythons (Pythonidae). Veterinary Ophthalmology, 18: 23–29.
5. Devkota, K., Ghimire, A. Thapamagar, C., Wallach, V. and Wojnowski, D. (2020a). First record of dicephalism in the Common Krait, Bungarus caeruleus (Schneider 1801), from Nepal. Reptiles and Amphibians, 26: 226–229.
6. Devkota, K., Magar, S. B., Wallach, V. and Wojnowski, D. (2020b). First record of dicephalism in the Banded Kukri, Oligodon arnensis (Shaw 1802), from Nepal. Reptiles and Amphibians, 27 (1): 71–72.
7. Garcês, A., Pires, I. and Rodrigues, P. (2020). Teratological effects of pesticides in vertebrates: a review. Journal of Environmental Science and Health, Part B, 55 (1): 75–89. https://doi.org/10.1080/03601234.2019.1660562
8. Heimes, P. (1994). Morphologische Anomalien bei Äskulapnattern (Elaphe longissima) im Rheingau-Taunus. Salamandra, 30: 268-271.
9. Jablonski, D. and Mikulíček, P. (2015). Presumptive unilateral anophthalmia recorded in Coronella austriaca Laurenti, 1768. Herpetology Notes, 8: 459-460.
10. Khan, M. Z. and Law, F. C. P. (2005). Adverse effects of pesticides and related chemicals on enzyme and hormone systems of fish, amphibians and reptiles: a review. Proceedings of Pakistan Academic Sciences, 42 (4): 315-323.
11. Mester, B., Lengyel, S. and Puky, M. (2015). Low frequency of amphibian morphological anomalies in a large protected wetland and grassland complex in Hungary. Herpetological Conservation and Biology, 10: 679–687.
12. Mingo, V., Lötters, S. and Wagner, N. (2016). Risk of pesticide exposure for reptile species in the European :union:. Environmental Pollution, 215: 164–169.
13. Rawat, Y. B., Bhattarai, S., Poudyal, L. P. and Subedi, N. (2020). Herpetofauna of Shuklaphanta National Park, Nepal. Journal of Threatened Taxa, 12 (5): 15587–15611. https://doi.org/10.11609/jott.5611.12.5.15587-15611
14. Sabater, M. and Pérez, M. (2013): Congenital ocular and adnexal disorders in reptiles. Veterinary Ophthalmology, 16: 47-55.
15. Sant’Anna, S. S., Grego, K. F., Lorigados, C. A. B., Fonseca- Pinto, A. C. B. C., Fernandes, W., Sá-Rocha, L. C. and Cat˜ao-Dias, J. L. (2013). Malformations in Neotropical Viperids: Qualitative and Quantitative Analysis. Journal of Comparative Pathology, 149: 503–508. doi:10.1016/j.jcpa.2013.06.001.
16. Wallach, V. (2007). Axial bifurcation and duplication in snakes. Part I. A synopsis of authentic and anecdotal cases. Bulletin of the Maryland Herpetological Society, 43: 57–95.