P. V. T. Marinho, P. C. Jark, M. L. Avante, J. C. Canola, A. B. De Nardi, and B. W. Minto, “Surgical treatment of lumbar extradural chondroma in a dog - case report”, Semina: Ciênc. Agrár., vol. 34, no. 4, pp. 1835–1840, Aug. 2013.