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 | Hermes, R.; Hildebrandt, T.B.; Portas, T.J.; Goeritz, F.; Bryant, B.R.; Kretzschmar, P.; Walzer, C.; Schaffer, N.; Ladds, P.; Blottner, S., 2006. Testis and epididymis ultrasonography and fine-needle biopsy in the rhinoceros for tumor and fertility diagnosis. Proceedings of the European Association of Zoo- and Wildlife Veterinarians 2006: 1-2
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| In: Aubery, L. et al. Proceedings of the [second] Rhino Keepers' Workshop 2001, Zoological Society of San Diego May 7-10, 2001. San Diego, Zoological Society |
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| In: Schwammer, H.M. et al. Recent research on elephants and rhinos: Abstracts of the International Elephant and Rhino Research Symposium, June 7-11, 2001. Vienna, Zoologischer Garten: pp. 1-80 |
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