Park, Jung-Wee, Hong-Seok Kim, Young-Kyun Lee, and Kyung-Hoi Koo. “Osteonecrosis of the Femoral Head: : Etiology, Pathogenesis, Natural History, and ARCO Staging”. Biologic Orthopedics Journal 3, no. SP1 (August 20, 2022): e28-e34. Accessed April 19, 2025. https://biologicortho.com/index.php/BiologicOrtho/article/view/19.