Greene, Whitney, Ellen S. Dierenfeld, and Susan Mikota. “A Review of Asian and African Elephant Gastrointestinal Anatomy, Physiology, and Pharmacology: Elephant Gastrointestinal Anatomy, Physiology, and Pharmacology”. Journal of Zoo and Aquarium Research 7, no. 1 (January 31, 2019): 1–14. Accessed November 23, 2024. https://jzar.org/jzar/article/view/329.