| Mraz, B.; Walzer, C.; Reinhardt, P.; Matthaei, J.; Jago, M.; Schwarzenberger, F., 2004. Faecal steroid analysis in free-ranging white rhinoceroses (Ceratotherium simum) on a game ranch in Namibia. Proceedings of the European Association of Zoo and Wildlife Veterinarians 2004: 1-2
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