McHugh, K. J., K. W. Christison, O. L. Weyl, and N. J. Smit. “Histological Confirmation of Epizootic Ulcerative Syndrome in Two Cyprinid Species from Lake Liambezi, Zambezi Region, Namibia”. African Zoology, vol. 49, no. 2, Apr. 2017, pp. 311-6, doi:10.1080/15627020.2014.11407649.