JOHANSSON, Sven. A Case of Congenital Ankylosis of the Ankle Joints and other Malformations. Acta Orthopaedica, [S. l.], v. 5, n. 1-4, p. 231–243, 1934. DOI: 10.3109/17453673408991329. Disponível em: https://actaorthop.org/actao/article/view/31355. Acesso em: 31 may. 2026.