Bajracharya, A, R Gupta, CS Agrawal, and S Karki. “Hemangiopericytoma in the Retroperitoneal Space”. Health Renaissance 9, no. 3 (December 9, 2011): 210–213. Accessed December 6, 2025. https://www.nepjol.info/index.php/HREN/article/view/5593.