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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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| Schaffer, N.E.; Meehan, T.P.; Jeyendram, R.S., 2001. Successful electroejaculation and procurement methods from four species of rhinoceros (Ceratotherium simum, Diceros bicornis, Rhinoceros unicornis, Dicerorhinus sumatrensis): p. 47
| 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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| Schaffer, N.E.; Agil, M.; Bosi, E., 2001. Utero - ovarian pathological complex of the Sumatran Rhinoceros (Dicerorhinus sumatrensis): pp. 76-77
| 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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| Schaffer, N.E., 1999. Sumatran rhinoceros: reproductive data 1991-1999 (with updates and addenda). SOS Rhino, pp. 1-78 (revised 2018)
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| Schaffer, N.E., 1999. Sumatran rhinoceros: reproductive data 1991-1999 (with updates and addenda). SOS Rhino, pp. 1-78 (revised 2018)
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| Schaffer, N.E.; Bryant, W.; Agnew, D.; Meehan, T.; Beehler, B., 1998. Ultrasonographic monitoring of artificially stimulated ejaculation in three rhinoceros species (Ceratotherium simum, Diceros bicornis, Rhinoceros unicornis). Journal of Zoo Animal Medicine 29 (4): 386-393, figs. 1-5, tables 1-2
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| Berkeley, E.V.; Kirkpatrick, J.F.; Schaffer, N.E.; Bryant, W.M.; Threlfall, W.R., 1997. Serum and fecal steroid analysis of ovulation, pregnancy, and parturition in the black rhinoceros (Diceros bicornis). Zoo Biology 16 (2): 121-132, figs. 1-4, tables 1-2 - https://doi.org/10.1002/(SICI)1098-2361(1997)16:2<121::AID-ZOO3>3.0.CO;2-C
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| Schaffer, N.E., 1996. Manual for chute design for the rhinoceros. Coimbatore, Zoo Outreach Organisation, pp. 1-38
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