Dorsey, Candice, Dennis, Patrick, Fascetti, Andrea J., Wood, Tom, and Brown, Janine L. 2010. "
Hypoaminoacidemia is not associated with ulcerative lesions in Black rhinoceroses, Diceros bicornis."
Journal of Zoo and Wildlife Medicine, 41, (1) 22–27.
https://doi.org/10.1638/2008-0188.1.