FREDENSBORG, Nis. Observations in Children with Congenital Dislocation of the Hip. Acta Orthopaedica, [S. l.], v. 47, n. 2, p. 175–180, 1976. DOI: 10.3109/17453677608989714. Disponível em: https://actaorthop.org/actao/article/view/29352. Acesso em: 15 may. 2026.