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Beagley, J.C.; Lowder, M.Q.; Langan, J.N.; Citino, S.B. 2010. Dental conditions of captive rhinoceros (Diceros bicornis). Proceedings of the AAZV, AAWV Joint Conference 2010: 138-139.
Langan, J.N.; Ramsay, E.C.; Schumacher, J.; Chism, T.; Adair, S. 2001. Diagnosis and management of a patent urachus in a white rhinoceros calf (Ceratotherium simum simum). Journal of Zoo and Wildlife Medicine 32 (1): 118-122, figs. 1-2.






