Holen KJ, Tegnander A, Terjesen T, Johansen OJ, Eik-Nes SH. Ultrasonography of clinically unstable hips: A prospective study of 143 neonates at birth and early follow-up. ActaO [Internet]. 1997 Jan. 1 [cited 2026 Apr. 30];68(6):527-32. Available from: https://actaorthop.org/actao/article/view/20796