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Ramsay, E.C.; Kasman, L.H.; Lasley, B.L. 1987. Urinary steroid evaluations to monitor ovarian function in exotic ungulates: V. Estrogen and pregnanediol-3-glucuronide excretion in the black rhinoceros (Diceros bicornis). Zoo Biology 6: 275-282, fig. 1, tables 1-2.

Urinary steroid evaluations to monitor ovarian function in exotic ungulates: V. Estrogen and pregnanediol-3-glucuronide excretion in the black rhinoceros (Diceros bicornis)

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Location Captive Subject Veterinary Species All Rhino Species

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Weigl, R. 2015. Longevity of mammals in captivity: from the living collections of the world. Stuttgart, E. Schweizerbart (Kleine Senckenberg-Reihe 48).
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