Echtler, Bernhard, and Andreas Burckhardt. “Isolated Congenital Dislocation of the Radial Head: Good Function in 4 Untreated Patients After 14–45 Years”. Acta Orthopaedica 68, no. 6 (January 1, 1997): 598–600. Accessed May 9, 2026. https://actaorthop.org/actao/article/view/20852.