Singh, Amarjot, Rahul Bhushan, and Prerna Chadha. “Unusual Case of Upper Urinary Tract Obstruction: A Case Report”. International Surgery Journal 4, no. 2 (January 25, 2017): 819–820. Accessed October 26, 2025. https://www.ijsurgery.com/index.php/isj/article/view/1010.