Ball, R.L.; Morrow, M.; Hofmeyr, M.; Buss, P. 2005. Comparison of anti-phospholipid antibodies between wild and captive black rhinoceros (Diceros bicornis): implications for health and repatriation.
Verhandlungsbericht des Internationalen Symposiums uber die Erkrankungen der Zootiere 42: 72-74.