Ozaki, Toshifumi, Norbert Lindner, Axel Hillmann, Thomas Link, and Winfried Winkelmann. “Transarticular Invasion of Iliopelvic Sarcomas into the Sacrum: Radiological Analysis of 47 Cases”. Acta Orthopaedica 68, no. 4 (January 1, 1997): 381–383. Accessed May 6, 2026. https://actaorthop.org/actao/article/view/20798.