Sharma, Pramod Kumar, Rajan Kumar Sinha, and Subhabrata Mukherjee. “Primary Retroperitoneal Transitional Cell Carcinoma – A Rare Clinical Entity”. Urology Journal 13, no. 5 (October 10, 2016): 2869–2870. Accessed May 19, 2024. https://journals.sbmu.ac.ir/urolj/index.php/uj/article/view/3483.