White, B. C., Burns-Cusato, M., Taylor, S., Gyimesi, Z., Burton II, S., Cathey, C. ., & Riley, A. (2022). Cortisol secretion in an African elephant Loxodonta africana calf including evidence for a foetal surge. Journal of Zoo and Aquarium Research, 10(4), 215–220. https://doi.org/10.19227/jzar.v10i4.676