Sevastikoglou, J. A., and E. Bergquist. “Evaluation of the Reliability of Radiological Methods for Registration of Scoliosis”. Acta Orthopaedica 40, no. 5 (January 1, 1969): 608–613. Accessed May 23, 2026. https://actaorthop.org/actao/article/view/30045.