Alshyarba MH. Metachronous Emphysematous Pyelonephritis and Xanthogranulomatous Pyelonephritis in the Contralateral Kidney: An Extremely Rare Condition. Urol J [Internet]. 2009 Feb. 12 [cited 2026 Jul. 8];4(4):248-50. Available from: https://journals.sbmu.ac.ir/urolj/index.php/uj/article/view/108