EKELAND, Arne. Norwegian Orthopedic Society. Acta Orthopaedica, [S. l.], v. 60, n. sup231, p. 15–21, 1989. DOI: 10.3109/17453678909154180. Disponível em: https://actaorthop.org/actao/article/view/22660. Acesso em: 27 apr. 2026.