A. Sand, D. Wenger, H. Düppe, and C. J. Tiderius, “Correlation between acetabular index at 3 and 12 months of age: a longitudinal radiographic study of 228 neonates treated for 6 or 12 weeks with the von Rosen splint for developmental dysplasia of the hip”, ActaO, vol. 97, pp. 9–13, Jan. 2026.