Heikel, Henrik V. A. “Aplasia and Hypoplasia of the Radius: Studies on 64 Cases and on Epiphyseal Transplantation in Rabbits With the Imitated Defect”. Acta Orthopaedica, vol. 30, no. sup39, June 1959, pp. 3-155, doi:10.3109/ort.1959.30.suppl-39.01.