Kubo, Yusuke, Wolf Drescher, and Thomas Pufe. “Etiology and Pathogenesis of Corticosteroid-Associated Osteonecrosis of the Femoral Head: A Current Concept Review”. Biologic Orthopedics Journal 3, no. SP1 (August 26, 2021): e1-e8. Accessed September 22, 2021. https://biologicortho.com/index.php/BiologicOrtho/article/view/18.