Wojtusik, J.; Stoops, M.A.; Roth, T.L. 2019.Animal protein-free OptiXcell and shortened equilibration periods can replace egg yolk-based extender and slow cooling for rhinoceros semen cryopreservation.Cryobiology 89: 21-25.
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Roth, T.L. 2019.The quest for a reliable biomarker of iron overload disorder in the rhinoceros.Proceedings of the American Association of Zoo Veterinarians (AAZV) 51st Annual Conference, St. Louis, Missouri: 163-164.