HOLEN, Ketil J; TEGNANDER, Agnar; TERJESEN, Terje; JOHANSEN, Ole J; EIK-NES, Sturla H. Ultrasonography of clinically unstable hips: A prospective study of 143 neonates at birth and early follow-up. Acta Orthopaedica, [S. l.], v. 68, n. 6, p. 527–532, 1997. DOI: 10.3109/17453679708999020. Disponível em: https://actaorthop.org/actao/article/view/20796. Acesso em: 28 apr. 2026.