JOHANSSON, Sven. After-Examination of Collum Fractures of the Femur Operated on by Extra-Articular Osteosynthesis. Acta Orthopaedica, [S. l.], v. 5, n. 1-4, p. 119–128, 1934. DOI: 10.3109/17453673408991322. Disponível em: https://actaorthop.org/actao/article/view/31347. Acesso em: 31 may. 2026.