L. Tomassini, I. Pettinari, E. Lepri, R. Gialletti, E. Bellezza, and L. Leonardi, “A case of orbital extra-adrenal paraganglioma in a quarter horse”, Brazilian Journal of Veterinary Pathology, vol. 12, no. 2, pp. 53–57, Jul. 2019, doi: 10.24070/bjvp.1983-0246.v12i2p53-57.