CYVIN, Karel Bjørn. Unsattsfa Ctory Results of Early Treatment of Infants with Unstable Hips at Birth. Acta Orthopaedica, [S. l.], v. 48, n. 6, p. 665–672, 1977. DOI: 10.3109/17453677708994815. Disponível em: https://actaorthop.org/actao/article/view/29312. Acesso em: 13 may. 2026.