B. C. White, S. R. Taylor, Z. S. Gyimesi, C. L. Rieskakmp, W. Sarros, and S. D. Burton II, “Serum Cortisol Concentrations Associated with Artificial Insemination Events in an African Elephant (Loxodonta africana)”, JZAR, vol. 7, no. 3, pp. 134–137, Jul. 2019.