Spontaneous rupture of a calculous pyonephrotic kidney INTO the retroperitoneal cavity presenting as psoas abscess A case report. Int J of Biomed & Adv Res [Internet]. 2014 May 30 [cited 2024 Oct. 18];5(5):262-3. Available from: https://ssjournals.co.in/index.php/ijbar/article/view/510