“Spontaneous Rupture of a Calculous Pyonephrotic Kidney INTO the Retroperitoneal Cavity Presenting As Psoas Abscess A Case Report”. International Journal of Biomedical and Advance Research 5, no. 5 (May 30, 2014): 262–263. Accessed April 28, 2026. https://ssjournals.co.in/index.php/ijbar/article/view/510.