Hvid, Ivan, and Björn Strömqvist. “Proceedings of the Scandinavian Orthopedic Association 44th Assembly: Århus, Denmark, June 8–11, 1988”. Acta Orthopaedica 59, no. sup227 (January 1, 1988): 7–132. Accessed May 15, 2026. https://actaorthop.org/actao/article/view/22856.