 @article{singh_ethiraj_indiran_kanase_maduraimuthu_2021,  title={Xanthogranulomatous pyelonephritis with calculus migration into the psoas abscess: an unusual complication},  volume={11},  ISSN={2236-1960},  url={https://doi.org/10.4322/acr.2020.200},  DOI={10.4322/acr.2020.200},  journal={Autopsy and Case Reports},  publisher={Hospital Universitário da Universidade de São Paulo},  author={Singh, Manpreet and Ethiraj, Dillibabu and Indiran, Venkatraman and Kanase, Niranjan Dhanaji and Maduraimuthu, Prabakaran},  year={2021},  pages={e2020200} }