Mjöberg, Bengt. “Atlanto-Axial Instability: A Live-Threatening Disorder in Rheumatoid Arthritis: A Cineradiographic Case Report”. Acta Orthopaedica 77, no. 4 (January 1, 2006): 684–685. Accessed June 2, 2026. https://actaorthop.org/actao/article/view/19230.