Leiberich, M, Krebber, R, Hewetson, M, Marais, J, Naidoo, V, "A study of the pharmacokinetics and thromboxane inhibitory activity of a single intramuscular dose of carprofen as a means to establish its potential use as an analgesic drug in white rhinoceros", Journal of Veterinary Pharmacology and Therapeutics, 2018