D’Ippolito, G., D. Tokechi, D. C. Shigueoka, and S. Ajzen. “Tomographic Aspects of Xanthogranulomatous Pyelonephritis and Related Complications”. São Paulo Medical Journal, vol. 114, no. 1, Jan. 1996, pp. 1091-6, https://periodicosapm.emnuvens.com.br/spmj/article/view/1876.