Ahmad, Javed, and Brij Mohan Patel. “Small Cell Variant of Osteosarcoma of the Patella: A Rare Case Report With Review of Literature”. Asian Journal of Medical Sciences 15, no. 4 (April 1, 2024): 285–290. Accessed September 27, 2024. https://nepjol.info/index.php/AJMS/article/view/61816.