Singh, Manpreet, Dillibabu Ethiraj, Venkatraman Indiran, Niranjan Dhanaji Kanase, and Prabakaran Maduraimuthu. “Xanthogranulomatous Pyelonephritis With Calculus Migration into the Psoas Abscess: An Unusual Complication”. Autopsy and Case Reports 11 (January 4, 2021): e2020200. Accessed April 27, 2024. https://www.revistas.usp.br/autopsy/article/view/180608.