1. Acharya, K. P., Paudel, P. K., Neupane, P. R., & Köhl, M. (2016). Human-wildlife conflicts in Nepal: patterns of human fatalities and injuries caused by large mammals. PLOS One, 11(9), e0161717. https://doi.org/10.1371/journal.pone.0161717
2. Agency for Toxic Substances and Disease Registry (ATSDR). (2019). Toxicological profile for chromium. Retrieved from https://www.atsdr.cdc.gov/ToxProfiles/tp7.pdf
3. Agency for Toxic Substances and Disease Registry (ATSDR). (2020a). Toxicological profile for copper. Retrieved from https://www.atsdr.cdc.gov/toxprofiles/tp132.pdf
4. Agency for Toxic Substances and Disease Registry (ATSDR). (2020b). Selenium. Retrieved from https://www.atsdr.cdc.gov/toxprofiles/tp92-c3.pdf
5. Albers, P. H. (2006). Birds and polycyclic aromatic hydrocarbons. Avian and Poultry Biology Reviews, 17, 125–140. https://doi.org/10.3184/147020606783438740