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Nasr, Mary, Leith C.R Meyer, Peter Buss, Maria C. Fàbregas, Robin D. Gleed, Jordyn M. Boesch, and Friederike Pohlin. "Muscle Tremors Observed in White Rhinoceroses Immobilised With Either Etorphine–azaperone or Etorphine–midazolam: An Initial Study." J S Afr Vet Assoc 2021.

Nasr, Mary, et al. "Muscle Tremors Observed in White Rhinoceroses Immobilised With Either Etorphine–azaperone or Etorphine–midazolam: An Initial Study." J S Afr Vet Assoc 2021.