Sand, A. (2026) “Response to Letter: 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”, Acta Orthopaedica, 97, pp. 245–246. doi: 10.2340/17453674.2026.45820.