Joshi, Amit, Nirab Kayasth, Ritesh Sinha, and Bharat Prasad Singh. “Ahlback’s Disease: Spontaneous Osteonecrosis of the Knee”. Medical Journal of Shree Birendra Hospital 13, no. 2 (August 3, 2015): 47–51. Accessed April 26, 2024. https://www.nepjol.info/index.php/MJSBH/article/view/13117.