| Schaffer, N.E.; Agil, M.; Zainuddin, Z.Z., 2020. Ramifications of reproductive diseases on the recovery of the Sumatran rhinoceros Dicerorhinus sumatrensis (Mammalia: Perissodactyla: Rhinocerotidae). Journal of Threatened Taxa 12 (3): 15279-15288
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| Bosi, E.J.; Kilbourn, A.; Schaffer, N.E., 2002. Sumatran rhinoceros conservation strategy in Sabah, Malaysia: pp. 166-172
| In: Schwammer, H.M. et al. A research update on elephants and rhinos: proceedings of the International Elephant and Rhino Research Symposium, Vienna, June 7-11, 2001. Muenster, Schuling: pp. 1-352 |
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| Schaffer, N.E.; Meehan, T.P.; Jeyendram, R.S., 2002. Successful electroejaculation and other semen procurement methods from four species of rhinoceros (Ceratotherium simum, Diceros bicornis, Rhinoceros unicornis, Dicerorhinus sumatrensis): p. 218
| In: Schwammer, H.M. et al. A research update on elephants and rhinos: proceedings of the International Elephant and Rhino Research Symposium, Vienna, June 7-11, 2001. Muenster, Schuling: pp. 1-352 |
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| Schaffer, N.E.; Bryant, W., 2002. Progesterone supplemented pregnancy in a black rhinoceros (Diceros bicomis): a case report: pp. 316-321
| In: Schwammer, H.M. et al. A research update on elephants and rhinos: proceedings of the International Elephant and Rhino Research Symposium, Vienna, June 7-11, 2001. Muenster, Schuling: pp. 1-352 |
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| Schaffer, N.E.; Agil, M.; Bosi, E., 2002. Utero - ovarian pathological complex of the Sumatran Rhinoceros (Dicerorhinus sumatrensis): p. 322
| In: Schwammer, H.M. et al. A research update on elephants and rhinos: proceedings of the International Elephant and Rhino Research Symposium, Vienna, June 7-11, 2001. Muenster, Schuling: pp. 1-352 |
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| Tuah, M.N.A.; Kilbourn, A.; Bosi, E.; Schaffer, N.E.; Mohamed, M., 2002. Demographics of Sumatran rhinoceros (Dicerorhinus sumatrensis harrissoni) in Sabah, Malaysia: correlation to food distribution in Tabin Wildlife Reserve: p. 330
| In: Schwammer, H.M. et al. A research update on elephants and rhinos: proceedings of the International Elephant and Rhino Research Symposium, Vienna, June 7-11, 2001. Muenster, Schuling: pp. 1-352 |
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| Schaffer, N.E.; Bryant, W., 2001. Progesterone supplemention and pregnancy in a black rhinoceros (Diceros bicomis): A case report: p. 76
| 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.; Meehan, T.P.; Bryant, W.M.; Agnew, D.; Atkinson, M.W.; Wolfe, B., 2001. Ultrasonographic monitoring of electroejaculation in three species of rhinoceros (Ceratotherium simum, Diceros bicornis, Rhinoceros unicornis). Proceedings of the AAZV, AAWV, ARAV, NAZWV Joint Conference 2001: 343
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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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| Schaffer, N.E.; Jeyendran, R.; Beehler, B., 1993. Reproductive procedures and restraint for rhinoceroses: pp. 153-159, figs. 1-3, table 1
| In: Ryder, O.A. Rhinoceros biology and conservation: Proceedings of an international conference, San Diego, U.S.A. San Diego, Zoological Society: pp. i-v, 1-368 |
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| Schaffer, N.E.; Beehler, B.A., 1990. Preliminary studies on the anatomy and ultrasonic images of the reproductive structure of three species of rhinoceros (Rhinoceros unicornis, Diceros bicornis, Ceratotherium simum). Proceedings of the American Association of Zoo Veterinarians 1990: 242-248, 2 figures, 1 table
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| Schaffer, N.E.; Beehler, B.A., 1988. Overview of procedures and results of semen collection from ambulatory rhinoceroses. Proceedings of the AAZPA Annual Conference 1988: 273-279, tables 1-5
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| Schaffer, N.E.; Beehler, B.A., 1988. Comparison of semen collection methods in an ambulatory Indian rhinoceros (Rhinoceros unicornis) [Abstract of poster session]: p. 649
| In: Dresser, B. et al. Proceedings of the 5th Internatioinal Conference on breeding endangered species in captivity. Cincinnati, Zoo and Botanical Garden: pp. i-xii, 1-722 |
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