Scehajowicz, Fritz, and Claudio Lemos. “Osteoid Osteoma and Osteoblastoma: Closely Related Entities of Osteoblastic Derivation”. Acta Orthopaedica 41, no. 3 (January 1, 1970): 272–291. Accessed May 1, 2026. https://actaorthop.org/actao/article/view/29935.